diff --git a/src/main/kotlin/com/wafflestudio/csereal/common/controller/ImageContentEntityType.kt b/src/main/kotlin/com/wafflestudio/csereal/common/controller/MainImageContentEntityType.kt
similarity index 82%
rename from src/main/kotlin/com/wafflestudio/csereal/common/controller/ImageContentEntityType.kt
rename to src/main/kotlin/com/wafflestudio/csereal/common/controller/MainImageContentEntityType.kt
index 8f58c860..eae7403c 100644
--- a/src/main/kotlin/com/wafflestudio/csereal/common/controller/ImageContentEntityType.kt
+++ b/src/main/kotlin/com/wafflestudio/csereal/common/controller/MainImageContentEntityType.kt
@@ -2,6 +2,6 @@ package com.wafflestudio.csereal.common.controller
 
 import com.wafflestudio.csereal.core.resource.mainImage.database.MainImageEntity
 
-interface ImageContentEntityType {
+interface MainImageContentEntityType {
     fun bringMainImage(): MainImageEntity?
 }
\ No newline at end of file
diff --git a/src/main/kotlin/com/wafflestudio/csereal/core/about/database/AboutEntity.kt b/src/main/kotlin/com/wafflestudio/csereal/core/about/database/AboutEntity.kt
index 8dd8b967..a77058a7 100644
--- a/src/main/kotlin/com/wafflestudio/csereal/core/about/database/AboutEntity.kt
+++ b/src/main/kotlin/com/wafflestudio/csereal/core/about/database/AboutEntity.kt
@@ -2,7 +2,7 @@ package com.wafflestudio.csereal.core.about.database
 
 import com.wafflestudio.csereal.common.config.BaseTimeEntity
 import com.wafflestudio.csereal.common.controller.AttachmentContentEntityType
-import com.wafflestudio.csereal.common.controller.ImageContentEntityType
+import com.wafflestudio.csereal.common.controller.MainImageContentEntityType
 import com.wafflestudio.csereal.core.about.dto.AboutDto
 import com.wafflestudio.csereal.core.resource.attachment.database.AttachmentEntity
 import com.wafflestudio.csereal.core.resource.mainImage.database.MainImageEntity
@@ -26,7 +26,7 @@ class AboutEntity(
     @OneToOne
     var mainImage: MainImageEntity? = null,
 
-    ) : BaseTimeEntity(), ImageContentEntityType, AttachmentContentEntityType {
+    ) : BaseTimeEntity(), MainImageContentEntityType, AttachmentContentEntityType {
     override fun bringMainImage(): MainImageEntity? = mainImage
     override fun bringAttachments(): List<AttachmentEntity> = attachments
 
diff --git a/src/main/kotlin/com/wafflestudio/csereal/core/member/database/ProfessorEntity.kt b/src/main/kotlin/com/wafflestudio/csereal/core/member/database/ProfessorEntity.kt
index 1414a0ae..4036a9dd 100644
--- a/src/main/kotlin/com/wafflestudio/csereal/core/member/database/ProfessorEntity.kt
+++ b/src/main/kotlin/com/wafflestudio/csereal/core/member/database/ProfessorEntity.kt
@@ -1,7 +1,7 @@
 package com.wafflestudio.csereal.core.member.database
 
 import com.wafflestudio.csereal.common.config.BaseTimeEntity
-import com.wafflestudio.csereal.common.controller.ImageContentEntityType
+import com.wafflestudio.csereal.common.controller.MainImageContentEntityType
 import com.wafflestudio.csereal.core.member.dto.ProfessorDto
 import com.wafflestudio.csereal.core.research.database.LabEntity
 import com.wafflestudio.csereal.core.resource.mainImage.database.MainImageEntity
@@ -44,7 +44,7 @@ class ProfessorEntity(
     @OneToOne
     var mainImage: MainImageEntity? = null,
 
-) : BaseTimeEntity(), ImageContentEntityType {
+) : BaseTimeEntity(), MainImageContentEntityType {
     override fun bringMainImage(): MainImageEntity? = mainImage
 
     companion object {
diff --git a/src/main/kotlin/com/wafflestudio/csereal/core/member/database/StaffEntity.kt b/src/main/kotlin/com/wafflestudio/csereal/core/member/database/StaffEntity.kt
index d4e5ec3a..355d4125 100644
--- a/src/main/kotlin/com/wafflestudio/csereal/core/member/database/StaffEntity.kt
+++ b/src/main/kotlin/com/wafflestudio/csereal/core/member/database/StaffEntity.kt
@@ -1,7 +1,7 @@
 package com.wafflestudio.csereal.core.member.database
 
 import com.wafflestudio.csereal.common.config.BaseTimeEntity
-import com.wafflestudio.csereal.common.controller.ImageContentEntityType
+import com.wafflestudio.csereal.common.controller.MainImageContentEntityType
 import com.wafflestudio.csereal.core.member.dto.StaffDto
 import com.wafflestudio.csereal.core.resource.mainImage.database.MainImageEntity
 import jakarta.persistence.CascadeType
@@ -24,7 +24,7 @@ class StaffEntity(
     @OneToOne
     var mainImage: MainImageEntity? = null,
 
-    ) : BaseTimeEntity(), ImageContentEntityType {
+    ) : BaseTimeEntity(), MainImageContentEntityType {
     override fun bringMainImage(): MainImageEntity? = mainImage
 
     companion object {
diff --git a/src/main/kotlin/com/wafflestudio/csereal/core/news/database/NewsEntity.kt b/src/main/kotlin/com/wafflestudio/csereal/core/news/database/NewsEntity.kt
index 8349a433..327ebcd3 100644
--- a/src/main/kotlin/com/wafflestudio/csereal/core/news/database/NewsEntity.kt
+++ b/src/main/kotlin/com/wafflestudio/csereal/core/news/database/NewsEntity.kt
@@ -2,7 +2,7 @@ package com.wafflestudio.csereal.core.news.database
 
 import com.wafflestudio.csereal.common.config.BaseTimeEntity
 import com.wafflestudio.csereal.common.controller.AttachmentContentEntityType
-import com.wafflestudio.csereal.common.controller.ImageContentEntityType
+import com.wafflestudio.csereal.common.controller.MainImageContentEntityType
 import com.wafflestudio.csereal.core.news.dto.NewsDto
 import com.wafflestudio.csereal.core.resource.attachment.database.AttachmentEntity
 import com.wafflestudio.csereal.core.resource.mainImage.database.MainImageEntity
@@ -30,7 +30,7 @@ class NewsEntity(
     @OneToMany(mappedBy = "news", cascade = [CascadeType.ALL])
     var newsTags: MutableSet<NewsTagEntity> = mutableSetOf()
 
-): BaseTimeEntity(), ImageContentEntityType, AttachmentContentEntityType {
+): BaseTimeEntity(), MainImageContentEntityType, AttachmentContentEntityType {
     override fun bringMainImage() = mainImage
     override fun bringAttachments() = attachments
 
diff --git a/src/main/kotlin/com/wafflestudio/csereal/core/research/api/ResearchController.kt b/src/main/kotlin/com/wafflestudio/csereal/core/research/api/ResearchController.kt
index 08d9cd16..af093051 100644
--- a/src/main/kotlin/com/wafflestudio/csereal/core/research/api/ResearchController.kt
+++ b/src/main/kotlin/com/wafflestudio/csereal/core/research/api/ResearchController.kt
@@ -16,46 +16,50 @@ class ResearchController(
 ) {
     @PostMapping
     fun createResearchDetail(
-        @Valid @RequestBody request: ResearchDto
-    ) : ResponseEntity<ResearchDto> {
-        return ResponseEntity.ok(researchService.createResearchDetail(request))
+        @Valid @RequestPart("request") request: ResearchDto,
+        @RequestPart("mainImage") mainImage: MultipartFile?,
+        @RequestPart("attachments") attachments: List<MultipartFile>?
+    ): ResponseEntity<ResearchDto> {
+        return ResponseEntity.ok(researchService.createResearchDetail(request, mainImage, attachments))
     }
 
     @GetMapping("/groups")
-    fun readAllResearchGroups() : ResponseEntity<ResearchGroupResponse> {
+    fun readAllResearchGroups(): ResponseEntity<ResearchGroupResponse> {
         return ResponseEntity.ok(researchService.readAllResearchGroups())
     }
 
     @GetMapping("/centers")
-    fun readAllResearchCenters() : ResponseEntity<List<ResearchDto>> {
+    fun readAllResearchCenters(): ResponseEntity<List<ResearchDto>> {
         return ResponseEntity.ok(researchService.readAllResearchCenters())
     }
 
     @PatchMapping("/{researchId}")
     fun updateResearchDetail(
         @PathVariable researchId: Long,
-        @Valid @RequestBody request: ResearchDto
-    ) : ResponseEntity<ResearchDto> {
-        return ResponseEntity.ok(researchService.updateResearchDetail(researchId, request))
+        @Valid @RequestPart("request") request: ResearchDto,
+        @RequestPart("mainImage") mainImage: MultipartFile?,
+        @RequestPart("attachments") attachments: List<MultipartFile>?
+    ): ResponseEntity<ResearchDto> {
+        return ResponseEntity.ok(researchService.updateResearchDetail(researchId, request, mainImage, attachments))
     }
 
     @PostMapping("/lab")
     fun createLab(
         @Valid @RequestPart("request") request: LabDto,
         @RequestPart("pdf") pdf: MultipartFile?
-    ) : ResponseEntity<LabDto> {
+    ): ResponseEntity<LabDto> {
         return ResponseEntity.ok(researchService.createLab(request, pdf))
     }
 
     @GetMapping("/labs")
-    fun readAllLabs() : ResponseEntity<List<LabDto>> {
+    fun readAllLabs(): ResponseEntity<List<LabDto>> {
         return ResponseEntity.ok(researchService.readAllLabs())
     }
 
     @GetMapping("/lab/{labId}")
     fun readLab(
         @PathVariable labId: Long,
-    ) : ResponseEntity<LabDto> {
+    ): ResponseEntity<LabDto> {
         return ResponseEntity.ok(researchService.readLab(labId))
     }
 }
\ No newline at end of file
diff --git a/src/main/kotlin/com/wafflestudio/csereal/core/research/database/ResearchEntity.kt b/src/main/kotlin/com/wafflestudio/csereal/core/research/database/ResearchEntity.kt
index c6c2b282..70cbca2b 100644
--- a/src/main/kotlin/com/wafflestudio/csereal/core/research/database/ResearchEntity.kt
+++ b/src/main/kotlin/com/wafflestudio/csereal/core/research/database/ResearchEntity.kt
@@ -1,7 +1,11 @@
 package com.wafflestudio.csereal.core.research.database
 
 import com.wafflestudio.csereal.common.config.BaseTimeEntity
+import com.wafflestudio.csereal.common.controller.AttachmentContentEntityType
+import com.wafflestudio.csereal.common.controller.MainImageContentEntityType
 import com.wafflestudio.csereal.core.research.dto.ResearchDto
+import com.wafflestudio.csereal.core.resource.attachment.database.AttachmentEntity
+import com.wafflestudio.csereal.core.resource.mainImage.database.MainImageEntity
 import jakarta.persistence.*
 
 @Entity(name = "research")
@@ -11,18 +15,26 @@ class ResearchEntity(
 
     var name: String,
     var description: String?,
-    var websiteURL: String?,
 
     @OneToMany(mappedBy = "research", cascade = [CascadeType.ALL], orphanRemoval = true)
-    var labs: MutableList<LabEntity> = mutableListOf()
-): BaseTimeEntity() {
+    var labs: MutableList<LabEntity> = mutableListOf(),
+
+    @OneToOne
+    var mainImage: MainImageEntity? = null,
+
+    @OneToMany(mappedBy = "research", cascade = [CascadeType.ALL], orphanRemoval = true)
+    var attachments: MutableList<AttachmentEntity> = mutableListOf(),
+
+    ) : BaseTimeEntity(), MainImageContentEntityType, AttachmentContentEntityType {
+    override fun bringMainImage() = mainImage
+    override fun bringAttachments() = attachments
+
     companion object {
-        fun of(researchDto: ResearchDto) : ResearchEntity {
+        fun of(researchDto: ResearchDto): ResearchEntity {
             return ResearchEntity(
                 postType = researchDto.postType,
                 name = researchDto.name,
                 description = researchDto.description,
-                websiteURL = researchDto.websiteURL,
             )
         }
     }
diff --git a/src/main/kotlin/com/wafflestudio/csereal/core/research/dto/ResearchDto.kt b/src/main/kotlin/com/wafflestudio/csereal/core/research/dto/ResearchDto.kt
index 51acfef9..0f694e81 100644
--- a/src/main/kotlin/com/wafflestudio/csereal/core/research/dto/ResearchDto.kt
+++ b/src/main/kotlin/com/wafflestudio/csereal/core/research/dto/ResearchDto.kt
@@ -2,6 +2,7 @@ package com.wafflestudio.csereal.core.research.dto
 
 import com.wafflestudio.csereal.core.research.database.ResearchEntity
 import com.wafflestudio.csereal.core.research.database.ResearchPostType
+import com.wafflestudio.csereal.core.resource.attachment.dto.AttachmentResponse
 import java.time.LocalDateTime
 
 data class ResearchDto(
@@ -9,22 +10,24 @@ data class ResearchDto(
     val postType: ResearchPostType,
     val name: String,
     val description: String?,
-    val websiteURL: String?,
     val createdAt: LocalDateTime?,
     val modifiedAt: LocalDateTime?,
-    val labs: List<ResearchLabResponse>?
+    val labs: List<ResearchLabResponse>?,
+    val imageURL: String?,
+    val attachments: List<AttachmentResponse>?,
 ) {
     companion object {
-        fun of(entity: ResearchEntity) = entity.run {
+        fun of(entity: ResearchEntity, imageURL: String?, attachmentResponse: List<AttachmentResponse>) = entity.run {
             ResearchDto(
                 id = this.id,
                 postType = this.postType,
                 name = this.name,
                 description = this.description,
-                websiteURL = this.websiteURL,
                 createdAt = this.createdAt,
                 modifiedAt = this.modifiedAt,
-                labs = this.labs.map { ResearchLabResponse(id = it.id, name = it.name) }
+                labs = this.labs.map { ResearchLabResponse(id = it.id, name = it.name) },
+                imageURL = imageURL,
+                attachments = attachmentResponse
             )
         }
     }
diff --git a/src/main/kotlin/com/wafflestudio/csereal/core/research/service/ResearchService.kt b/src/main/kotlin/com/wafflestudio/csereal/core/research/service/ResearchService.kt
index d41d9a8c..27f31f4c 100644
--- a/src/main/kotlin/com/wafflestudio/csereal/core/research/service/ResearchService.kt
+++ b/src/main/kotlin/com/wafflestudio/csereal/core/research/service/ResearchService.kt
@@ -6,16 +6,17 @@ import com.wafflestudio.csereal.core.research.database.*
 import com.wafflestudio.csereal.core.research.dto.*
 import com.wafflestudio.csereal.core.resource.attachment.database.AttachmentEntity
 import com.wafflestudio.csereal.core.resource.attachment.service.AttachmentService
+import com.wafflestudio.csereal.core.resource.mainImage.service.MainImageService
 import org.springframework.data.repository.findByIdOrNull
 import org.springframework.stereotype.Service
 import org.springframework.transaction.annotation.Transactional
 import org.springframework.web.multipart.MultipartFile
 
 interface ResearchService {
-    fun createResearchDetail(request: ResearchDto): ResearchDto
+    fun createResearchDetail(request: ResearchDto, mainImage: MultipartFile?, attachments: List<MultipartFile>?): ResearchDto
     fun readAllResearchGroups(): ResearchGroupResponse
     fun readAllResearchCenters(): List<ResearchDto>
-    fun updateResearchDetail(researchId: Long, request: ResearchDto): ResearchDto
+    fun updateResearchDetail(researchId: Long, request: ResearchDto, mainImage: MultipartFile?, attachments: List<MultipartFile>?): ResearchDto
     fun createLab(request: LabDto, pdf: MultipartFile?): LabDto
     fun readAllLabs(): List<LabDto>
     fun readLab(labId: Long): LabDto
@@ -26,11 +27,13 @@ class ResearchServiceImpl(
     private val researchRepository: ResearchRepository,
     private val labRepository: LabRepository,
     private val professorRepository: ProfessorRepository,
+    private val mainImageService: MainImageService,
     private val attachmentService: AttachmentService,
 ) : ResearchService {
     @Transactional
-    override fun createResearchDetail(request: ResearchDto): ResearchDto {
+    override fun createResearchDetail(request: ResearchDto, mainImage: MultipartFile?, attachments: List<MultipartFile>?): ResearchDto {
         val newResearch = ResearchEntity.of(request)
+
         if(request.labs != null) {
 
             for(lab in request.labs) {
@@ -41,9 +44,20 @@ class ResearchServiceImpl(
             }
         }
 
+        if(mainImage != null) {
+            mainImageService.uploadMainImage(newResearch, mainImage)
+        }
+
+        if(attachments != null) {
+            attachmentService.uploadAllAttachments(newResearch, attachments)
+        }
+
         researchRepository.save(newResearch)
 
-        return ResearchDto.of(newResearch)
+        val imageURL = mainImageService.createImageURL(newResearch.mainImage)
+        val attachmentResponses = attachmentService.createAttachmentResponses(newResearch.attachments)
+
+        return ResearchDto.of(newResearch, imageURL, attachmentResponses)
     }
 
     @Transactional(readOnly = true)
@@ -55,7 +69,10 @@ class ResearchServiceImpl(
                 "오늘도 인류가 꿈꾸는 행복하고 편리한 세상을 위해 변화와 혁신, 연구와 도전을 계속하고 있습니다."
 
         val researchGroups = researchRepository.findAllByPostTypeOrderByName(ResearchPostType.GROUPS).map {
-            ResearchDto.of(it)
+            val imageURL = mainImageService.createImageURL(it.mainImage)
+            val attachmentResponses = attachmentService.createAttachmentResponses(it.attachments)
+
+            ResearchDto.of(it, imageURL, attachmentResponses)
         }
 
         return ResearchGroupResponse(description, researchGroups)
@@ -64,13 +81,16 @@ class ResearchServiceImpl(
     @Transactional(readOnly = true)
     override fun readAllResearchCenters(): List<ResearchDto> {
         val researchCenters = researchRepository.findAllByPostTypeOrderByName(ResearchPostType.CENTERS).map {
-            ResearchDto.of(it)
+            val imageURL = mainImageService.createImageURL(it.mainImage)
+            val attachmentResponses = attachmentService.createAttachmentResponses(it.attachments)
+
+            ResearchDto.of(it, imageURL, attachmentResponses)
         }
 
         return researchCenters
     }
     @Transactional
-    override fun updateResearchDetail(researchId: Long, request: ResearchDto): ResearchDto {
+    override fun updateResearchDetail(researchId: Long, request: ResearchDto, mainImage: MultipartFile?, attachments: List<MultipartFile>?): ResearchDto {
         val research = researchRepository.findByIdOrNull(researchId)
             ?: throw CserealException.Csereal404("해당 게시글을 찾을 수 없습니다.(researchId=$researchId)")
 
@@ -96,7 +116,19 @@ class ResearchServiceImpl(
             }
         }
 
-        return ResearchDto.of(research)
+        if(mainImage != null) {
+            mainImageService.uploadMainImage(research, mainImage)
+        }
+
+        if(attachments != null) {
+            attachmentService.uploadAllAttachments(research, attachments)
+        }
+
+        val imageURL = mainImageService.createImageURL(research.mainImage)
+        val attachmentResponses = attachmentService.createAttachmentResponses(research.attachments)
+
+
+        return ResearchDto.of(research, imageURL, attachmentResponses)
     }
 
     @Transactional
diff --git a/src/main/kotlin/com/wafflestudio/csereal/core/resource/attachment/database/AttachmentEntity.kt b/src/main/kotlin/com/wafflestudio/csereal/core/resource/attachment/database/AttachmentEntity.kt
index a1e9c8bf..1c79236a 100644
--- a/src/main/kotlin/com/wafflestudio/csereal/core/resource/attachment/database/AttachmentEntity.kt
+++ b/src/main/kotlin/com/wafflestudio/csereal/core/resource/attachment/database/AttachmentEntity.kt
@@ -6,6 +6,7 @@ import com.wafflestudio.csereal.core.academics.database.AcademicsEntity
 import com.wafflestudio.csereal.core.academics.database.CourseEntity
 import com.wafflestudio.csereal.core.news.database.NewsEntity
 import com.wafflestudio.csereal.core.research.database.LabEntity
+import com.wafflestudio.csereal.core.research.database.ResearchEntity
 import com.wafflestudio.csereal.core.seminar.database.SeminarEntity
 import jakarta.persistence.*
 
@@ -42,6 +43,10 @@ class AttachmentEntity(
     @ManyToOne(fetch = FetchType.LAZY)
     @JoinColumn(name = "lab_id")
     var lab: LabEntity? = null,
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "research_id")
+    var research: ResearchEntity? = null,
 ) : BaseTimeEntity() {
 
 }
\ No newline at end of file
diff --git a/src/main/kotlin/com/wafflestudio/csereal/core/resource/attachment/service/AttachmentService.kt b/src/main/kotlin/com/wafflestudio/csereal/core/resource/attachment/service/AttachmentService.kt
index 30dd1a77..024fbb78 100644
--- a/src/main/kotlin/com/wafflestudio/csereal/core/resource/attachment/service/AttachmentService.kt
+++ b/src/main/kotlin/com/wafflestudio/csereal/core/resource/attachment/service/AttachmentService.kt
@@ -6,6 +6,7 @@ import com.wafflestudio.csereal.core.academics.database.AcademicsEntity
 import com.wafflestudio.csereal.core.academics.database.CourseEntity
 import com.wafflestudio.csereal.core.news.database.NewsEntity
 import com.wafflestudio.csereal.core.research.database.LabEntity
+import com.wafflestudio.csereal.core.research.database.ResearchEntity
 import com.wafflestudio.csereal.core.resource.attachment.database.AttachmentEntity
 import com.wafflestudio.csereal.core.resource.attachment.database.AttachmentRepository
 import com.wafflestudio.csereal.core.resource.attachment.dto.AttachmentDto
@@ -142,6 +143,10 @@ class AttachmentServiceImpl(
                 contentEntity.attachments.add(attachment)
                 attachment.course = contentEntity
             }
+            is ResearchEntity -> {
+                contentEntity.attachments.add(attachment)
+                attachment.research = contentEntity
+            }
         }
     }
 }
\ No newline at end of file
diff --git a/src/main/kotlin/com/wafflestudio/csereal/core/resource/mainImage/service/MainImageService.kt b/src/main/kotlin/com/wafflestudio/csereal/core/resource/mainImage/service/MainImageService.kt
index 0a5690f1..9abd6eb3 100644
--- a/src/main/kotlin/com/wafflestudio/csereal/core/resource/mainImage/service/MainImageService.kt
+++ b/src/main/kotlin/com/wafflestudio/csereal/core/resource/mainImage/service/MainImageService.kt
@@ -1,12 +1,13 @@
 package com.wafflestudio.csereal.core.resource.mainImage.service
 
 import com.wafflestudio.csereal.common.CserealException
-import com.wafflestudio.csereal.common.controller.ImageContentEntityType
+import com.wafflestudio.csereal.common.controller.MainImageContentEntityType
 import com.wafflestudio.csereal.common.properties.EndpointProperties
 import com.wafflestudio.csereal.core.about.database.AboutEntity
 import com.wafflestudio.csereal.core.member.database.ProfessorEntity
 import com.wafflestudio.csereal.core.member.database.StaffEntity
 import com.wafflestudio.csereal.core.news.database.NewsEntity
+import com.wafflestudio.csereal.core.research.database.ResearchEntity
 import com.wafflestudio.csereal.core.resource.mainImage.database.MainImageRepository
 import com.wafflestudio.csereal.core.resource.mainImage.database.MainImageEntity
 import com.wafflestudio.csereal.core.resource.mainImage.dto.MainImageDto
@@ -25,7 +26,7 @@ import kotlin.io.path.name
 
 interface MainImageService {
     fun uploadMainImage(
-        contentEntityType: ImageContentEntityType,
+        contentEntityType: MainImageContentEntityType,
         requestImage: MultipartFile,
     ): MainImageDto
 
@@ -42,7 +43,7 @@ class MainImageServiceImpl(
 
     @Transactional
     override fun uploadMainImage(
-        contentEntityType: ImageContentEntityType,
+        contentEntityType: MainImageContentEntityType,
         requestImage: MultipartFile,
     ): MainImageDto {
         Files.createDirectories(Paths.get(path))
@@ -94,7 +95,7 @@ class MainImageServiceImpl(
         } else null
     }
 
-    private fun connectMainImageToEntity(contentEntity: ImageContentEntityType, mainImage: MainImageEntity) {
+    private fun connectMainImageToEntity(contentEntity: MainImageContentEntityType, mainImage: MainImageEntity) {
         when (contentEntity) {
             is NewsEntity -> {
                 contentEntity.mainImage = mainImage
@@ -116,6 +117,9 @@ class MainImageServiceImpl(
                 contentEntity.mainImage = mainImage
             }
 
+            is ResearchEntity -> {
+                contentEntity.mainImage = mainImage
+            }
             else -> {
                 throw WrongMethodTypeException("해당하는 엔티티가 없습니다")
             }
diff --git a/src/main/kotlin/com/wafflestudio/csereal/core/seminar/database/SeminarEntity.kt b/src/main/kotlin/com/wafflestudio/csereal/core/seminar/database/SeminarEntity.kt
index 04c6359d..9e2ba977 100644
--- a/src/main/kotlin/com/wafflestudio/csereal/core/seminar/database/SeminarEntity.kt
+++ b/src/main/kotlin/com/wafflestudio/csereal/core/seminar/database/SeminarEntity.kt
@@ -2,7 +2,7 @@ package com.wafflestudio.csereal.core.seminar.database
 
 import com.wafflestudio.csereal.common.config.BaseTimeEntity
 import com.wafflestudio.csereal.common.controller.AttachmentContentEntityType
-import com.wafflestudio.csereal.common.controller.ImageContentEntityType
+import com.wafflestudio.csereal.common.controller.MainImageContentEntityType
 import com.wafflestudio.csereal.core.resource.attachment.database.AttachmentEntity
 import com.wafflestudio.csereal.core.resource.mainImage.database.MainImageEntity
 import com.wafflestudio.csereal.core.seminar.dto.SeminarDto
@@ -47,7 +47,7 @@ class SeminarEntity(
     @OneToMany(mappedBy = "seminar", cascade = [CascadeType.ALL], orphanRemoval = true)
     var attachments: MutableList<AttachmentEntity> = mutableListOf(),
 
-    ): BaseTimeEntity(), ImageContentEntityType, AttachmentContentEntityType {
+    ): BaseTimeEntity(), MainImageContentEntityType, AttachmentContentEntityType {
     override fun bringMainImage(): MainImageEntity? = mainImage
     override fun bringAttachments() = attachments
 
diff --git a/src/main/kotlin/com/wafflestudio/csereal/core/seminar/service/SeminarService.kt b/src/main/kotlin/com/wafflestudio/csereal/core/seminar/service/SeminarService.kt
index 1ddd8287..ebba6b47 100644
--- a/src/main/kotlin/com/wafflestudio/csereal/core/seminar/service/SeminarService.kt
+++ b/src/main/kotlin/com/wafflestudio/csereal/core/seminar/service/SeminarService.kt
@@ -84,8 +84,7 @@ class SeminarServiceImpl(
 
         val imageURL = mainImageService.createImageURL(seminar.mainImage)
         val attachmentResponses = attachmentService.createAttachmentResponses(seminar.attachments)
-
-
+        
         return SeminarDto.of(seminar, imageURL, attachmentResponses, null)
     }
     @Transactional