diff --git a/market/models.py b/market/models.py
index 527cbc1..3f1aff6 100644
--- a/market/models.py
+++ b/market/models.py
@@ -19,7 +19,7 @@ def get_service_image_upload_path(instance, filename):
     email_name = instance.market_service.market.reformer.user.email.split("@")[
         0
     ]  # market을 통해 reformer에 접근
-    market_uuid = instance.market_service.market.market_name
+    market_uuid = instance.market_service.market.market_uuid
     service_uuid = instance.market_service.service_uuid
     return f"users/{email_name}/market/{market_uuid}/service/{service_uuid}/{filename}"
 
diff --git a/market/services.py b/market/services.py
index 5705f2b..c699036 100644
--- a/market/services.py
+++ b/market/services.py
@@ -68,17 +68,21 @@ def upload_market_image(market: Market, image_file) -> None:
 
     @staticmethod
     @transaction.atomic
-    def upload_service_images(entity: Any, image_file) -> None:
+    def upload_service_images(entity: Any, image_files) -> None:
         """
         서비스 소개 이미지를 S3에 업로드 및 데이터베이스에 저장하는 함수
         """
         try:
             # 파일 유효성 검증
-            validate_image_files([image_file])
+            validate_image_files(image_files)
 
-            # 엔티티 타입 별 쿼리 생성
             if isinstance(entity, Service):
-                ServiceImage.objects.create(market_service=entity, image=image_file)
+                bulk_images: List[ServiceImage] = []
+                for image_file in image_files:
+                    bulk_images.append(
+                        ServiceImage(market_service=entity, image=image_file)
+                    )
+                ServiceImage.objects.bulk_create(bulk_images)
 
         except ValidationError as e:
             raise ValidationError(f"Validation Error: {str(e)}")
diff --git a/market/views/image_upload_view.py b/market/views/image_upload_view.py
index ad9a95a..3336dee 100644
--- a/market/views/image_upload_view.py
+++ b/market/views/image_upload_view.py
@@ -1,3 +1,5 @@
+from typing import Any, List
+
 from django.core.exceptions import ObjectDoesNotExist
 from rest_framework import status
 from rest_framework.exceptions import ValidationError
@@ -56,13 +58,15 @@ def post(self, request, **kwargs):
         if not market_service:
             raise ObjectDoesNotExist("Cannot found service object with these uuids")
 
-        image_file = request.FILES.get(
+        image_files: List[Any] = request.FILES.getlist(
             "service_image"
         )  # 이미지 파일 리스트를 request body에서 획득
-        if not image_file:
+        if not image_files:
             raise ValidationError("There are no image files to upload")
 
-        self.service.upload_service_images(entity=market_service, image_file=image_file)
+        self.service.upload_service_images(
+            entity=market_service, image_files=image_files
+        )
         return Response(
             data={"message": "Successfully uploaded service image"},
             status=status.HTTP_200_OK,
diff --git a/order/serializers/order_retrieve_serializer.py b/order/serializers/order_retrieve_serializer.py
index dec180d..fadf832 100644
--- a/order/serializers/order_retrieve_serializer.py
+++ b/order/serializers/order_retrieve_serializer.py
@@ -26,8 +26,7 @@
 
 
 class OrderRetrieveSerializer(serializers.ModelSerializer):
-    service = ServiceRetrieveSerializer(read_only=True)
-    reformer = serializers.SerializerMethodField(read_only=True)
+    service_info = serializers.SerializerMethodField(read_only=True)
     materials = ServiceMaterialRetrieveSerializer(many=True, read_only=True)
     additional_options = ServiceOptionRetrieveSerializer(many=True, read_only=True)
     order_status = OrderStatusSerailzier(many=True, read_only=True)
@@ -36,11 +35,8 @@ class OrderRetrieveSerializer(serializers.ModelSerializer):
     delivery_status = serializers.SerializerMethodField(read_only=True)
     images = OrderImageSerializer(source="order_image", many=True, read_only=True)
 
-    def get_reformer(self, obj):
-        reformer = obj.service.market.reformer
-        if reformer:
-            return ReformerProfileSerializer(reformer).data
-        return None
+    def get_service_info(self, obj):
+        return ServiceRetrieveSerializer(obj.service).data
 
     def get_orderer_information(self, obj):
         # 만약, 기본 사용자 정보가 아닌, 새로운 사용자 정보를 기입하여 주문한 경우는, User 정보가 아니라, OrdererInformation 정보를 반환
@@ -57,8 +53,7 @@ def get_delivery_status(self, obj):
     class Meta:
         model = Order
         fields = [
-            "service",
-            "reformer",
+            "service_info",
             "order_uuid",
             "order_date",
             "orderer_information",
diff --git a/order/tests.py b/order/tests.py
index ba56df1..0315597 100644
--- a/order/tests.py
+++ b/order/tests.py
@@ -369,7 +369,7 @@ def test_get_order_list(self, _):
 
         # Then
         self.assertEqual(response.status_code, status.HTTP_200_OK)
-        self.assertIn("service", response.data[0])
+        self.assertIn("service_info", response.data[0])
         self.assertIn("order_uuid", response.data[0])
         self.assertIn("order_date", response.data[0])
         self.assertIn("orderer_information", response.data[0])