diff --git a/python/paddle/v2/fluid/tests/test_lstm_op.py b/python/paddle/v2/fluid/tests/test_lstm_op.py
index d9fa01e247ae613fb2a7ed523a447e31a5bd5994..3e79f9d8e157bc744f14ecfa7c9a6d7de4eae1f9 100644
--- a/python/paddle/v2/fluid/tests/test_lstm_op.py
+++ b/python/paddle/v2/fluid/tests/test_lstm_op.py
@@ -42,7 +42,7 @@ def relu(x):
     return np.maximum(x, 0)
 
 
-ACTVATION = {
+ACTIVATION = {
     'identity': identity,
     'sigmoid': sigmoid,
     'tanh': tanh,
@@ -158,8 +158,8 @@ class TestLstmOp(OpTest):
         w_b = b[:, 0:4 * self.D]
         w_c = b[:, 4 * self.D:] if self.use_peepholes else None
         h, c = lstm(x, self.lod, h0, c0, w, w_b, w_c, self.is_reverse,
-                    ACTVATION[self.act_gate], ACTVATION[self.act_cell],
-                    ACTVATION[self.act_cand])
+                    ACTIVATION[self.act_gate], ACTIVATION[self.act_cell],
+                    ACTIVATION[self.act_cand])
 
         self.inputs = {'Input': (x, self.lod), 'Weight': w}
 
diff --git a/python/paddle/v2/fluid/tests/test_lstmp_op.py b/python/paddle/v2/fluid/tests/test_lstmp_op.py
index f137fc61b38f6686a04794993407ca9fed31c56e..92a954a9aa5574c3016cf9744e1765fff9e9c091 100644
--- a/python/paddle/v2/fluid/tests/test_lstmp_op.py
+++ b/python/paddle/v2/fluid/tests/test_lstmp_op.py
@@ -13,39 +13,13 @@
 #limitations under the License.
 import unittest
 import numpy as np
-from op_test import OpTest
-
-SIGMOID_THRESHOLD_MIN = -40.0
-SIGMOID_THRESHOLD_MAX = 13.0
-EXP_MAX_INPUT = 40.0
-
-
-def identity(x):
-    return x
-
-
-def sigmoid(x):
-    y = np.copy(x)
-    y[x < SIGMOID_THRESHOLD_MIN] = SIGMOID_THRESHOLD_MIN
-    y[x > SIGMOID_THRESHOLD_MAX] = SIGMOID_THRESHOLD_MAX
-    return 1. / (1. + np.exp(-y))
-
-
-def tanh(x):
-    y = -2. * x
-    y[y > EXP_MAX_INPUT] = EXP_MAX_INPUT
-    return (2. / (1. + np.exp(y))) - 1.
-
-
-def relu(x):
-    return np.maximum(x, 0)
-
+import test_lstm_op as LstmTest
 
 ACTIVATION = {
-    'identity': identity,
-    'sigmoid': sigmoid,
-    'tanh': tanh,
-    'relu': relu
+    'identity': LstmTest.identity,
+    'sigmoid': LstmTest.sigmoid,
+    'tanh': LstmTest.tanh,
+    'relu': LstmTest.relu
 }
 
 
@@ -55,7 +29,7 @@ def lstmp(
         lod,  # 1 x N
         h0=None,  # N x D
         c0=None,  # N x D
-        w_r=None,  # P x 5D
+        w_r=None,  # P x 4D
         w_rh=None,  # D x P
         w_b=None,  # 1 x 4D
         w_c=None,  # 1 x 3D
@@ -130,26 +104,16 @@ def lstmp(
     return projection, cell
 
 
-class TestLstmpOp(OpTest):
+class TestLstmpOp(LstmTest.TestLstmOp):
     def reset_argument(self):
         pass
 
     def setUp(self):
-        self.lod = [[0, 2, 5, 7]]
-        # hidden size
-        self.D = 16
+        self.set_argument()
         # projection size
         self.P = 10
-
-        self.act_gate = 'sigmoid'
-        self.act_cell = 'tanh'
-        self.act_cand = 'tanh'
         self.act_proj = self.act_cell
 
-        self.has_initial_state = False
-        self.is_reverse = False
-        self.use_peepholes = True
-
         self.reset_argument()
         self.op_type = 'lstmp'