diff --git a/dvc/remote/oss.py b/dvc/remote/oss.py
index 108c1bc49..57e900087 100644
--- a/dvc/remote/oss.py
+++ b/dvc/remote/oss.py
@@ -107,7 +107,9 @@ class RemoteOSS(RemoteBASE):
     def _upload(
         self, from_file, to_info, name=None, no_progress_bar=False, **_kwargs
     ):
-        with Tqdm(desc_truncate=name, disable=no_progress_bar) as pbar:
+        with Tqdm(
+            desc_truncate=name, disable=no_progress_bar, bytes=True
+        ) as pbar:
             self.oss_service.put_object_from_file(
                 to_info.path, from_file, progress_callback=pbar.update_to
             )
@@ -115,7 +117,9 @@ class RemoteOSS(RemoteBASE):
     def _download(
         self, from_info, to_file, name=None, no_progress_bar=False, **_kwargs
     ):
-        with Tqdm(desc_truncate=name, disable=no_progress_bar) as pbar:
+        with Tqdm(
+            desc_truncate=name, disable=no_progress_bar, bytes=True
+        ) as pbar:
             self.oss_service.get_object_to_file(
                 from_info.path, to_file, progress_callback=pbar.update_to
             )