diff --git a/users/services.py b/users/services.py
index ea673f4..af36696 100644
--- a/users/services.py
+++ b/users/services.py
@@ -24,6 +24,15 @@ class CheckUserFieldDuplicateService:
         return  User.objects.filter(**filter_dict).exists()
         
 
+class CheckUserFieldValueExistService:
+    @staticmethod
+    def check_exist(user: User, field) -> bool:
+        if not field:
+            return False
+        if getattr(user, field) == None:
+            return False
+        else:
+            return True
 
 class UserToNotificationService:
     @staticmethod