diff --git a/src/main/java/com/example/solidconnection/s3/S3Controller.java b/src/main/java/com/example/solidconnection/s3/S3Controller.java
index 8da2984ea..7a1c1fc7c 100644
--- a/src/main/java/com/example/solidconnection/s3/S3Controller.java
+++ b/src/main/java/com/example/solidconnection/s3/S3Controller.java
@@ -2,11 +2,9 @@
 
 import com.example.solidconnection.type.ImgType;
 import lombok.RequiredArgsConstructor;
+import org.springframework.beans.factory.annotation.Value;
 import org.springframework.http.ResponseEntity;
-import org.springframework.web.bind.annotation.PostMapping;
-import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.RequestParam;
-import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.bind.annotation.*;
 import org.springframework.web.multipart.MultipartFile;
 
 import java.security.Principal;
@@ -17,6 +15,14 @@
 public class S3Controller implements S3ControllerSwagger {
 
     private final S3Service s3Service;
+    @Value("${cloud.aws.s3.url.default}")
+    private String s3Default;
+    @Value("${cloud.aws.s3.url.uploaded}")
+    private String s3Uploaded;
+    @Value("${cloud.aws.cloudFront.url.default}")
+    private String cloudFrontDefault;
+    @Value("${cloud.aws.cloudFront.url.uploaded}")
+    private String cloudFrontUploaded;
 
     @PostMapping("/profile/pre")
     public ResponseEntity<UploadedFileUrlResponse> uploadPreProfileImage(
@@ -46,4 +52,9 @@ public ResponseEntity<UploadedFileUrlResponse> uploadLanguageImage(
         UploadedFileUrlResponse profileImageUrl = s3Service.uploadFile(imageFile, ImgType.LANGUAGE_TEST);
         return ResponseEntity.ok(profileImageUrl);
     }
+
+    @GetMapping("/s3-url-prefix")
+    public ResponseEntity<urlPrefixResponse> getS3UrlPrefix() {
+        return ResponseEntity.ok(new urlPrefixResponse(s3Default, s3Uploaded, cloudFrontDefault, cloudFrontUploaded));
+    }
 }
diff --git a/src/main/java/com/example/solidconnection/s3/S3ControllerSwagger.java b/src/main/java/com/example/solidconnection/s3/S3ControllerSwagger.java
index aa432b195..bce6bfe15 100644
--- a/src/main/java/com/example/solidconnection/s3/S3ControllerSwagger.java
+++ b/src/main/java/com/example/solidconnection/s3/S3ControllerSwagger.java
@@ -116,4 +116,21 @@ public interface S3ControllerSwagger {
             }
     )
     ResponseEntity<UploadedFileUrlResponse> uploadLanguageImage(@RequestParam("file") MultipartFile imageFile);
+
+    @SecurityRequirements
+    @SecurityRequirement(name = ACCESS_TOKEN)
+    @Operation(
+            summary = "S3 url prefix 확인",
+            responses = {
+                    @ApiResponse(
+                            responseCode = "200",
+                            description = "S3 url prefix 반환",
+                            content = @Content(
+                                    mediaType = "application/json",
+                                    schema = @Schema(implementation = urlPrefixResponse.class)
+                            )
+                    )
+            }
+    )
+    ResponseEntity<urlPrefixResponse> getS3UrlPrefix();
 }
diff --git a/src/main/java/com/example/solidconnection/s3/S3Service.java b/src/main/java/com/example/solidconnection/s3/S3Service.java
index 4bee94932..553367973 100644
--- a/src/main/java/com/example/solidconnection/s3/S3Service.java
+++ b/src/main/java/com/example/solidconnection/s3/S3Service.java
@@ -69,8 +69,7 @@ public UploadedFileUrlResponse uploadFile(MultipartFile multipartFile, ImgType i
             log.error("이미지 업로드 중 s3 클라이언트 예외 발생 : {}", e.getMessage());
             throw new CustomException(S3_CLIENT_EXCEPTION);
         }
-
-        return new UploadedFileUrlResponse(amazonS3.getUrl(bucket, fileName).toString());
+        return new UploadedFileUrlResponse(fileName);
     }
 
     public List<UploadedFileUrlResponse> uploadFiles(List<MultipartFile> multipartFile, ImgType imageFile) {
@@ -101,7 +100,7 @@ public List<UploadedFileUrlResponse> uploadFiles(List<MultipartFile> multipartFi
                 log.error("이미지 업로드 중 s3 클라이언트 예외 발생 : {}", e.getMessage());
                 throw new CustomException(S3_CLIENT_EXCEPTION);
             }
-            uploadedFileUrlResponseList.add(new UploadedFileUrlResponse(amazonS3.getUrl(bucket, fileName).toString()));
+            uploadedFileUrlResponseList.add(new UploadedFileUrlResponse(fileName));
         }
 
         return uploadedFileUrlResponseList;
@@ -140,8 +139,7 @@ public void deleteExProfile(String email) {
     }
 
     public void deletePostImage(String url) {
-        String key = getPostImageUrl(url);
-        deleteFile(key);
+        deleteFile(url);
     }
 
     private void deleteFile(String fileName) {
@@ -158,13 +156,6 @@ private void deleteFile(String fileName) {
 
     private String getExProfileImageUrl(String email) {
         SiteUser siteUser = siteUserRepository.getByEmail(email);
-        String fileName = siteUser.getProfileImageUrl();
-        int domainStartIndex = fileName.indexOf(".com");
-        return fileName.substring(domainStartIndex + 5);
-    }
-
-    private String getPostImageUrl(String url) {
-        int domainStartIndex = url.indexOf(".com");
-        return url.substring(domainStartIndex + 5);
+        return siteUser.getProfileImageUrl();
     }
 }
diff --git a/src/main/java/com/example/solidconnection/s3/urlPrefixResponse.java b/src/main/java/com/example/solidconnection/s3/urlPrefixResponse.java
new file mode 100644
index 000000000..59eac23ca
--- /dev/null
+++ b/src/main/java/com/example/solidconnection/s3/urlPrefixResponse.java
@@ -0,0 +1,9 @@
+package com.example.solidconnection.s3;
+
+public record urlPrefixResponse(
+        String s3Default,
+        String s3Uploaded,
+        String cloudFrontDefault,
+        String cloudFrontUploaded
+) {
+}
diff --git a/src/main/java/com/example/solidconnection/siteuser/service/SiteUserService.java b/src/main/java/com/example/solidconnection/siteuser/service/SiteUserService.java
index 0ab6aa0d2..793627adf 100644
--- a/src/main/java/com/example/solidconnection/siteuser/service/SiteUserService.java
+++ b/src/main/java/com/example/solidconnection/siteuser/service/SiteUserService.java
@@ -106,7 +106,7 @@ private void validateProfileImage(MultipartFile imageFile) {
     }
 
     private boolean isDefaultProfileImage(String profileImageUrl) {
-        String prefix = "https://solid-connection-uploaded.s3.ap-northeast-2.amazonaws.com/profile/";
+        String prefix = "profile/";
         return profileImageUrl == null || !profileImageUrl.startsWith(prefix);
     }
 
diff --git a/src/test/java/com/example/solidconnection/unit/service/SiteUserServiceTest.java b/src/test/java/com/example/solidconnection/unit/service/SiteUserServiceTest.java
index 7cfeb94c6..860f76e11 100644
--- a/src/test/java/com/example/solidconnection/unit/service/SiteUserServiceTest.java
+++ b/src/test/java/com/example/solidconnection/unit/service/SiteUserServiceTest.java
@@ -63,7 +63,7 @@ private SiteUser createSiteUser() {
         return new SiteUser(
                 "test@example.com",
                 "nickname",
-                "https://solid-connection-uploaded.s3.ap-northeast-2.amazonaws.com/profile/abcd",
+                "profile/fajwoiejoiewjfoi",
                 "1999-01-01",
                 PreparationStatus.CONSIDERING,
                 Role.MENTEE,
@@ -78,7 +78,7 @@ private MultipartFile createMockImageFile() {
     }
 
     private UploadedFileUrlResponse createUploadedFileUrlResponse() {
-        return new UploadedFileUrlResponse("https://s3.example.com/test1.png");
+        return new UploadedFileUrlResponse("profile/fajwoiejoiewjfoi");
     }
 
     @Test