diff --git a/python/CMakeLists.txt b/python/CMakeLists.txt
index 48e0a1993d07f801e65dfa54a991995c593fe475..e7a0895533dd8902df9a012ab230df2a67256483 100644
--- a/python/CMakeLists.txt
+++ b/python/CMakeLists.txt
@@ -24,8 +24,9 @@ add_custom_target(paddle_python ALL DEPENDS
     ${OUTPUT_DIR}/.timestamp)
 
 add_subdirectory(paddle/trainer_config_helpers/tests)
-add_subdirectory(paddle/v2/reader/tests)
 add_subdirectory(paddle/v2/tests)
+add_subdirectory(paddle/v2/reader/tests)
+add_subdirectory(paddle/v2/plot/tests)
 
 install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/dist/
     DESTINATION opt/paddle/share/wheels
diff --git a/python/paddle/v2/plot/__init__.py b/python/paddle/v2/plot/__init__.py
index 324f28bb65dcc91e8727b6e1da7bb6e983ed56e9..acd3013db4e6a57cd1b269266bea82a31e928397 100644
--- a/python/paddle/v2/plot/__init__.py
+++ b/python/paddle/v2/plot/__init__.py
@@ -1,3 +1,17 @@
-from plot import Plot
+# Copyright (c) 2016 PaddlePaddle Authors. All Rights Reserved
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
 
-__all__ = ['Plot']
+from plot import Ploter
+
+__all__ = ['Ploter']
diff --git a/python/paddle/v2/plot/plot.py b/python/paddle/v2/plot/plot.py
index 4e9e92652e5ac288a8eb03cd9f878b62a34489bd..d36fc47d8e2be0b90ea0f0db41430b94edcd7b8b 100644
--- a/python/paddle/v2/plot/plot.py
+++ b/python/paddle/v2/plot/plot.py
@@ -1,3 +1,17 @@
+# Copyright (c) 2016 PaddlePaddle Authors. All Rights Reserved
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 from IPython import display
 import os
 
@@ -16,9 +30,9 @@ class PlotData(object):
         self.value = []
 
 
-class Plot(object):
+class Ploter(object):
     def __init__(self, *args):
-        self.args = args
+        self.__args__ = args
         self.__plot_data__ = {}
         for title in args:
             self.__plot_data__[title] = PlotData()
@@ -42,7 +56,7 @@ class Plot(object):
             return
 
         titles = []
-        for title in self.args:
+        for title in self.__args__:
             data = self.__plot_data__[title]
             assert isinstance(data, PlotData)
             if len(data.step) > 0:
@@ -58,15 +72,3 @@ class Plot(object):
             data = self.__plot_data__[key]
             assert isinstance(data, PlotData)
             data.reset()
-
-if __name__ == '__main__':
-    title = "cost"
-    plot_test = Plot(title)
-    plot_test.append(title, 1, 1)
-    plot_test.append(title, 2, 2)
-    for k, v in plot_test.__plot_data__.iteritems():
-        print k, v.step, v.value
-    plot_test.reset()
-    for k, v in plot_test.__plot_data__.iteritems():
-        print k, v.step, v.value
-gg
diff --git a/python/paddle/v2/plot/tests/CMakeLists.txt b/python/paddle/v2/plot/tests/CMakeLists.txt
new file mode 100644
index 0000000000000000000000000000000000000000..da550a178ce0fe4832b640e0c23505279dedd27a
--- /dev/null
+++ b/python/paddle/v2/plot/tests/CMakeLists.txt
@@ -0,0 +1,3 @@
+add_test(NAME test_ploter
+  COMMAND bash ${PROJ_ROOT}/python/paddle/v2/plot/tests/run_tests.sh
+  ${PYTHON_EXECUTABLE})
diff --git a/python/paddle/v2/plot/tests/__init__.py b/python/paddle/v2/plot/tests/__init__.py
new file mode 100644
index 0000000000000000000000000000000000000000..d1abfc08f19505a9010e924e34074e5bc3cc0571
--- /dev/null
+++ b/python/paddle/v2/plot/tests/__init__.py
@@ -0,0 +1,16 @@
+# Copyright (c) 2016 PaddlePaddle Authors. All Rights Reserved
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+import test_ploter
+
+__all__ = ['test_ploter.py']
diff --git a/python/paddle/v2/plot/tests/run_tests.sh b/python/paddle/v2/plot/tests/run_tests.sh
new file mode 100755
index 0000000000000000000000000000000000000000..20514160cd0e46c42d7940629274c6254ccc9884
--- /dev/null
+++ b/python/paddle/v2/plot/tests/run_tests.sh
@@ -0,0 +1,35 @@
+#!/bin/bash
+# Copyright (c) 2016 PaddlePaddle Authors. All Rights Reserved
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
+pushd `dirname $0` > /dev/null
+SCRIPTPATH=$PWD
+popd > /dev/null
+
+cd $SCRIPTPATH
+$1 -m pip install ../../../../../paddle/dist/*.whl
+
+test_list="test_ploter.py"
+
+export PYTHONPATH=$PWD/../../../../../python/
+
+for fn in $test_list
+do
+  echo "test $fn"
+  $1 $fn
+  if [ $? -ne 0 ]; then
+    exit 1
+  fi
+done
diff --git a/python/paddle/v2/plot/tests/test_ploter.py b/python/paddle/v2/plot/tests/test_ploter.py
new file mode 100644
index 0000000000000000000000000000000000000000..37edb11b5250592a5473d5e8f1322e3f53c4e8b5
--- /dev/null
+++ b/python/paddle/v2/plot/tests/test_ploter.py
@@ -0,0 +1,39 @@
+# Copyright (c) 2016 PaddlePaddle Authors. All Rights Reserved
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import unittest
+
+from paddle.v2.plot import Ploter
+
+
+class TestCommon(unittest.TestCase):
+    def test_append(self):
+        title1 = "title1"
+        title2 = "title2"
+        plot_test = Ploter(title1, title2)
+        plot_test.append(title1, 1, 2)
+        plot_test.append(title1, 2, 5)
+        plot_test.append(title2, 3, 4)
+        self.assertEqual(plot_test.__plot_data__[title1].step, [1, 2])
+        self.assertEqual(plot_test.__plot_data__[title1].value, [2, 5])
+        self.assertEqual(plot_test.__plot_data__[title2].step, [3])
+        self.assertEqual(plot_test.__plot_data__[title2].value, [4])
+        plot_test.reset()
+        self.assertEqual(plot_test.__plot_data__[title1].step, [])
+        self.assertEqual(plot_test.__plot_data__[title1].value, [])
+        self.assertEqual(plot_test.__plot_data__[title2].step, [])
+        self.assertEqual(plot_test.__plot_data__[title2].value, [])
+
+if __name__ == '__main__':
+    unittest.main()