diff --git a/ppcls/loss/deephashloss.py b/ppcls/loss/deephashloss.py
new file mode 100644
index 0000000000000000000000000000000000000000..8f02a3ba0be482f67978b2499af8b416d7ada064
--- /dev/null
+++ b/ppcls/loss/deephashloss.py
@@ -0,0 +1,6 @@
+            # do binarize
+            if self.config["Global"].get("feature_binarize") == "round":
+                batch_feas = paddle.round(batch_feas).astype("float32") * 2.0 - 1.0
+
+            if self.config["Global"].get("feature_binarize") == "sign":
+                batch_feas = paddle.sign(batch_feas).astype("float32")