diff --git a/src/main/java/com/mju/management/domain/post/infrastructure/PostRepository.java b/src/main/java/com/mju/management/domain/post/infrastructure/PostRepository.java
index 79b4d41..ab6b6e6 100644
--- a/src/main/java/com/mju/management/domain/post/infrastructure/PostRepository.java
+++ b/src/main/java/com/mju/management/domain/post/infrastructure/PostRepository.java
@@ -14,5 +14,6 @@ public interface PostRepository extends JpaRepository<Post, Long> {
     List<Post> findByCategoryAndProject(Category getCategory, Project project);
 
     List<Post> findByCategoryAndProject(Category getCategory, Project project, Pageable pageable);
+    List<Post> findByProject(Project project);
 
 }
diff --git a/src/main/java/com/mju/management/domain/project/contoller/ProjectController.java b/src/main/java/com/mju/management/domain/project/contoller/ProjectController.java
index 146399a..243ca7e 100644
--- a/src/main/java/com/mju/management/domain/project/contoller/ProjectController.java
+++ b/src/main/java/com/mju/management/domain/project/contoller/ProjectController.java
@@ -1,5 +1,6 @@
 package com.mju.management.domain.project.contoller;
 
+import com.mju.management.domain.post.model.dto.request.RetrieveDetailPostRequestDto;
 import com.mju.management.domain.project.dto.response.GetProjectListResponseDto;
 import com.mju.management.domain.project.dto.response.GetProjectResponseDto;
 import com.mju.management.domain.project.service.ProjectService;
@@ -53,6 +54,13 @@ public CommonResult getProject(@PathVariable Long projectId) {
         return responseService.getSingleResult(project);
     }
 
+    // 프로젝트 별 파일리스트 조회
+    @Operation(summary = "프로젝트 별 파일 리스트 조회")
+    @GetMapping("/{projectId}/files")
+    public CommonResult getProjectFiles(@PathVariable Long projectId) {
+        return responseService.getListResult(projectService.getProjectFiles(projectId));
+    }
+
     //프로젝트 수정
     @Operation(summary = "프로젝트 수정")
     @PutMapping("/{projectId}")
diff --git a/src/main/java/com/mju/management/domain/project/service/ProjectService.java b/src/main/java/com/mju/management/domain/project/service/ProjectService.java
index 6a5d042..53180aa 100644
--- a/src/main/java/com/mju/management/domain/project/service/ProjectService.java
+++ b/src/main/java/com/mju/management/domain/project/service/ProjectService.java
@@ -1,5 +1,6 @@
 package com.mju.management.domain.project.service;
 
+import com.mju.management.domain.post.domain.PostFile;
 import com.mju.management.domain.project.dto.reqeust.CreateProjectRequestDto;
 import com.mju.management.domain.project.dto.response.GetProjectListResponseDto;
 import com.mju.management.domain.project.dto.response.GetProjectResponseDto;
@@ -16,4 +17,5 @@ public interface ProjectService {
     void updateProject(Long projectIndex, CreateProjectRequestDto createProjectRequestDto);
     void finishProject(Long projectIndex);
 
+    List<PostFile> getProjectFiles(Long projectId);
 }
diff --git a/src/main/java/com/mju/management/domain/project/service/ProjectServiceImpl.java b/src/main/java/com/mju/management/domain/project/service/ProjectServiceImpl.java
index 3c150cf..1614d4d 100644
--- a/src/main/java/com/mju/management/domain/project/service/ProjectServiceImpl.java
+++ b/src/main/java/com/mju/management/domain/project/service/ProjectServiceImpl.java
@@ -1,5 +1,9 @@
 package com.mju.management.domain.project.service;
 
+import com.mju.management.domain.post.domain.Post;
+import com.mju.management.domain.post.domain.PostFile;
+import com.mju.management.domain.post.infrastructure.PostFileRepository;
+import com.mju.management.domain.post.infrastructure.PostRepository;
 import com.mju.management.domain.project.dto.response.GetProjectListResponseDto;
 import com.mju.management.domain.project.dto.response.GetProjectResponseDto;
 import com.mju.management.domain.project.dto.response.GetProjectUserResponseDto;
@@ -19,6 +23,7 @@
 import java.time.LocalDate;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Optional;
 import java.util.Set;
 import java.util.stream.Collectors;
 
@@ -27,6 +32,8 @@
 public class ProjectServiceImpl implements ProjectService{
     private final ProjectRepository projectRepository;
     private final UserServiceImpl userService;
+    private final PostRepository postRepository;
+    private final PostFileRepository postFileRepository;
 
     @Override
     @Transactional
@@ -126,6 +133,22 @@ public void finishProject(Long projectId) {
 
     }
 
+    @Override
+    public List<PostFile> getProjectFiles(Long projectId) {
+        Project project = projectRepository.findByIdWithProjectUserList(projectId)
+                .orElseThrow(()->new NonExistentException(ExceptionList.NON_EXISTENT_PROJECT));
+        if(!project.isLeaderOrMember(JwtContextHolder.getUserId()))
+            throw new UnauthorizedAccessException(ExceptionList.UNAUTHORIZED_ACCESS);
+//        List<GetProjectUserResponseDto> getProjectUserResponseDtoList =
+//                getProjectUserResponseDtoList(project.getProjectUserList());
+        List<Post> posts = postRepository.findByProject(project);
+        List<PostFile> project_files = new ArrayList<>();
+        for(Post post : posts){
+            project_files.addAll(postFileRepository.findByPostId(post.getId()));
+        }
+        return project_files;
+    }
+
     public void validateProjectPeriod(CreateProjectRequestDto createProjectRequestDto){
         LocalDate startDate = createProjectRequestDto.startDateAsLocalDateType();
         LocalDate endDate = createProjectRequestDto.finishDateAsLocalDateType();