diff --git a/paddle/fluid/lite/arm/math/type_trans.cpp b/paddle/fluid/lite/arm/math/type_trans.cpp
index a53a900f9c518635b7f0322e825c67b115b18b0c..a60cc80f8d164324cd397f07e800d8e32a74533b 100644
--- a/paddle/fluid/lite/arm/math/type_trans.cpp
+++ b/paddle/fluid/lite/arm/math/type_trans.cpp
@@ -14,6 +14,7 @@
 
 #include "paddle/fluid/lite/arm/math/saturate.h"
 #include <arm_neon.h>
+#include <string.h>
 
 namespace paddle {
 namespace lite {