diff --git a/mindspore/dataset/engine/iterators.py b/mindspore/dataset/engine/iterators.py
index d670de508c4c7a16b2e025b4dfd969f692a17de7..cb56a435f153517674290010839ec7c542c47f6b 100644
--- a/mindspore/dataset/engine/iterators.py
+++ b/mindspore/dataset/engine/iterators.py
@@ -231,6 +231,9 @@ class Iterator:
     def num_classes(self):
         return self.depipeline.GetNumClasses()
 
+    def __deepcopy__(self, memo):
+        return Iterator(copy.deepcopy(self.dataset, memo))
+
 
 class DictIterator(Iterator):
     """