diff --git a/python/paddle/fluid/contrib/slim/quantization/utils.py b/python/paddle/fluid/contrib/slim/quantization/utils.py
index 28efcd2d59157..e7187018c8d5b 100644
--- a/python/paddle/fluid/contrib/slim/quantization/utils.py
+++ b/python/paddle/fluid/contrib/slim/quantization/utils.py
@@ -109,6 +109,7 @@
     "square",
     "softplus",
     "shuffle_channel",
+    "reduce_max",
 ]
 
 _out_scale_op_list = list(
@@ -213,6 +214,7 @@
     "square": [["X"], ["Out"]],
     "softplus": [["X"], ["Out"]],
     "shuffle_channel": [["X"], ["Out"]],
+    "reduce_max": [["X"], ["Out"]],
 }