diff --git a/Neo_backend/src/main/java/com/example/neo_backend/domain/post/controller/PostController.java b/Neo_backend/src/main/java/com/example/neo_backend/domain/post/controller/PostController.java
index 3257f3f..3518059 100644
--- a/Neo_backend/src/main/java/com/example/neo_backend/domain/post/controller/PostController.java
+++ b/Neo_backend/src/main/java/com/example/neo_backend/domain/post/controller/PostController.java
@@ -15,6 +15,7 @@
 import com.fasterxml.jackson.databind.ObjectMapper;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
+import jakarta.servlet.http.HttpServletRequest;
 import jakarta.servlet.http.HttpSession;
 import lombok.RequiredArgsConstructor;
 import org.springframework.http.HttpStatus;
@@ -40,13 +41,18 @@ public class PostController {
     @ApiErrorCodeExample(ErrorStatus.class)
     public ResponseEntity<PostResponseDto> createPost(
             @RequestPart("dto") String dtoJson,
-            @RequestPart("images") List<MultipartFile> images) {
+            @RequestPart("images") List<MultipartFile> images,
+            HttpServletRequest request) {
 
         if (images == null || images.size() != 2) {
             throw new IllegalArgumentException("이미지는 반드시 2개 업로드해야 합니다.");
         }
 
-        System.out.println(images.size());
+        HttpSession session = request.getSession(false);
+        User user = (User) session.getAttribute("user");
+        if (user == null) {
+            throw new GeneralException(ErrorStatus._UNAUTHORIZED, "로그인한 유저가 없습니다.");
+        }
 
         PostRequestDto dto;
 
@@ -57,7 +63,7 @@ public ResponseEntity<PostResponseDto> createPost(
             throw new RuntimeException("JSON 파싱 실패", e);
         }
 
-        PostResponseDto response = postService.createPost(dto, images);
+        PostResponseDto response = postService.createPost(dto, images, user);
         return ResponseEntity.ok(response);
     }
 
diff --git a/Neo_backend/src/main/java/com/example/neo_backend/domain/post/dto/PostRequestDto.java b/Neo_backend/src/main/java/com/example/neo_backend/domain/post/dto/PostRequestDto.java
index 072dba0..d4df332 100644
--- a/Neo_backend/src/main/java/com/example/neo_backend/domain/post/dto/PostRequestDto.java
+++ b/Neo_backend/src/main/java/com/example/neo_backend/domain/post/dto/PostRequestDto.java
@@ -12,7 +12,7 @@
 @NoArgsConstructor
 @AllArgsConstructor
 public class PostRequestDto {
-    private Long userId;
+//    private Long userId;
     private String title;
     private String content;
     private String place;
diff --git a/Neo_backend/src/main/java/com/example/neo_backend/domain/post/service/PostService.java b/Neo_backend/src/main/java/com/example/neo_backend/domain/post/service/PostService.java
index 046fb5c..30a9eee 100644
--- a/Neo_backend/src/main/java/com/example/neo_backend/domain/post/service/PostService.java
+++ b/Neo_backend/src/main/java/com/example/neo_backend/domain/post/service/PostService.java
@@ -46,10 +46,8 @@ public class PostService {
     private final PinRepository pinRepository;
 
     @Transactional
-    public PostResponseDto createPost(PostRequestDto dto,  List<MultipartFile> images) {
+    public PostResponseDto createPost(PostRequestDto dto,  List<MultipartFile> images, User user) {
         try {
-            User user = userRepository.findById(dto.getUserId())
-                    .orElseThrow(() -> new GeneralException(ErrorStatus._NOT_FOUND, "해당 유저를 찾을 수 없습니다."));
 
             Pin pin = Pin.builder()
                     .latitude(dto.getLatitude())