diff --git a/Check_Up.py b/Check_Up.py
index 2a2fc36c2..b2522dfd6 100644
--- a/Check_Up.py
+++ b/Check_Up.py
@@ -1,5 +1,7 @@
 import os
 import DBHelper
+from joblib import Parallel, delayed
+import multiprocessing
 
 
 def update():
@@ -13,8 +15,8 @@ def update():
             count += 1
             if not os.path.isdir("Facial_images/face_rec/train/User_" + str(count)):
                 os.makedirs("Facial_images/face_rec/train/User_" + str(count))
-            for i in range(50):
-                DBHelper.download_user_photo("User_" + str(count) + "/" + str(i) + ".jpg")
+            Parallel(n_jobs=multiprocessing.cpu_count())(
+                delayed(download_parallel_user_photos)(i, count) for i in range(50))
         print("Success.")
     except:
         print("No Users are registered.")
@@ -25,8 +27,8 @@ def update():
             count += 1
             if not os.path.isdir("Photos_of_Thieves/Thief_" + str(count)):
                 os.makedirs("Photos_of_Thieves/Thief_" + str(count))
-            for i in range(50):
-                DBHelper.download_thief_photo("Thief_" + str(count) + "/" + str(i) + ".jpg")
+            Parallel(n_jobs=multiprocessing.cpu_count())(
+                delayed(download_parallel_thief_photos)(i, count) for i in range(50))
         print("Success.")
     except:
         print("No Thieves are registered.")
@@ -34,3 +36,11 @@ def update():
 
 if __name__ == "__main__":
     update()
+
+
+def download_parallel_user_photos(i, count):
+    DBHelper.download_user_photo("User_" + str(count) + "/" + str(i) + ".jpg")
+
+
+def download_parallel_thief_photos(i, count):
+    DBHelper.download_thief_photo("Thief_" + str(count) + "/" + str(i) + ".jpg")
diff --git a/Main.py b/Main.py
index d15af145e..f956fa105 100644
--- a/Main.py
+++ b/Main.py
@@ -5,7 +5,7 @@ import Remove_Face
 import Check_Up
 
 if __name__ == "__main__":
-    print("Must do the check up First. (This may take long time.)")
+    print("Must do the check up First, this may take long...")
     Check_Up.update()
     print("Starting the program.")
     while True:
diff --git a/__pycache__/Check_Up.cpython-36.pyc b/__pycache__/Check_Up.cpython-36.pyc
index 1e0d4a5f6..14764f192 100644
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diff --git a/__pycache__/Facial_Recognition_Inference.cpython-36.pyc b/__pycache__/Facial_Recognition_Inference.cpython-36.pyc
index 5afd27ce4..f65cbb488 100644
Binary files a/__pycache__/Facial_Recognition_Inference.cpython-36.pyc and b/__pycache__/Facial_Recognition_Inference.cpython-36.pyc differ
diff --git a/__pycache__/Upload_Face.cpython-36.pyc b/__pycache__/Upload_Face.cpython-36.pyc
index 065f8a812..a1538623d 100644
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diff --git a/__pycache__/Upload_Thief.cpython-36.pyc b/__pycache__/Upload_Thief.cpython-36.pyc
index 94b0a4ef9..42239d728 100644
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