diff --git a/docs/installation.md b/docs/installation.md
index a33ed2cb9a40ac5672d8961ea85504c96163f8b0..1817a1b6c7ab60af92cedb507c06df3a7454bd2a 100644
--- a/docs/installation.md
+++ b/docs/installation.md
@@ -5,10 +5,12 @@
 版本要求：
 
 * PaddlePaddle >= 1.6.2
-* Python 2.7 or 3.5+
+* Python 2.7+ (python2 only)
 
 关于PaddlePaddle对操作系统、CUDA、cuDNN等软件版本的兼容信息，请查看[PaddlePaddle安装说明](https://www.paddlepaddle.org.cn/documentation/docs/zh/beginners_guide/install/index_cn.html)
 
+备注：当前版本尚不完全兼容PY3。
+
 ### pip安装
 
 当前，需要在GPU版本的PaddlePaddle下使用大规模分类库。
diff --git a/setup.py b/setup.py
index 2819f86ee93c0214853247ea81376466a62261b4..dbe9b5b2248f29f2f61872f7a7b9f46f85f1392b 100644
--- a/setup.py
+++ b/setup.py
@@ -46,10 +46,6 @@ setup(
         'Intended Audience :: Science/Research',
         'License :: OSI Approved :: Apache Software License',
         'Programming Language :: Python :: 2.7',
-        'Programming Language :: Python :: 3',
-        'Programming Language :: Python :: 3.4',
-        'Programming Language :: Python :: 3.5',
-        'Programming Language :: Python :: 3.6',
         'Topic :: Scientific/Engineering',
         'Topic :: Scientific/Engineering :: Mathematics',
         'Topic :: Scientific/Engineering :: Artificial Intelligence',