diff --git a/python/paddle/trainer/config_parser.py b/python/paddle/trainer/config_parser.py
index 49b3c430e70509452eab50c93f66d22329c8a844..c0843a73578372d6aaf0c598bf2254340b705399 100644
--- a/python/paddle/trainer/config_parser.py
+++ b/python/paddle/trainer/config_parser.py
@@ -901,20 +901,14 @@ class Conv3D(Cfg):
                  padding_z=None,
                  stride_z=None):
         self.add_keys(locals())
-        if filter_size_y is None:
-            self.filter_size_y = filter_size
-        if padding_y is None:
-            self.padding_y = padding
-        if stride_y is None:
-            self.stride_y = stride
+        self.filter_size_y = filter_size_y if filter_size_y else filter_size
+        self.filter_size_z = filter_size_z if filter_size_z else filter_size
+        self.padding_y = padding_y if padding_y else padding
+        self.padding_z = padding_z if padding_z else padding
+        self.stride_y = stride_y if stride_y else stride
+        self.stride_z = stride_z if stride_z else stride
         if output_x is not None:
             config_assert(output_x <= 0)
-        if filter_size_z is None:
-            self.filter_size_z = filter_size
-        if padding_z is None:
-            self.padding_z = padding
-        if stride_z is None:
-            self.stride_z = stride
 
 
 @config_class
@@ -1206,10 +1200,10 @@ def get_img_size(input_layer_name, channels):
 def get_img3d_size(input_layer_name, channels):
     input = g_layer_map[input_layer_name]
     img_pixels = input.size / channels
-    img_size = input.width if input.width > 0 else int(img_pixels**0.5)
-    img_size_y = input.height if input.height > 0 else int(img_pixels /
-                                                           img_size)
-    img_size_z = input.depth if input.depth > 1 else 1
+    img_size = input.width
+    img_size_y = input.height
+    img_size_z = input.depth
+
     config_assert(
         img_size * img_size_y * img_size_z == img_pixels,
         "Input layer %s: Incorrect input image size %d * %d * %d for input image pixels %d"
@@ -2000,8 +1994,10 @@ class ConvLayer(ConvLayerBase):
     layer_type = 'cudnn_conv'
 
 
-@config_layer('conv_3d')
-class Conv3DLayerBase(LayerBase):
+@config_layer('convt')
+class ConvTransLayerBase(LayerBase):
+    layer_type = 'convt'
+
     def __init__(self,
                  name,
                  inputs=[],
@@ -2009,7 +2005,7 @@ class Conv3DLayerBase(LayerBase):
                  num_filters=None,
                  shared_biases=False,
                  **xargs):
-        super(Conv3DLayerBase, self).__init__(
+        super(ConvTransLayerBase, self).__init__(
             name, self.layer_type, 0, inputs=inputs, **xargs)
 
         if num_filters is not None:
@@ -2018,12 +2014,17 @@ class Conv3DLayerBase(LayerBase):
         use_gpu = int(g_command_config_args.get("use_gpu", 0))
         parallel_nn = int(g_command_config_args.get("parallel_nn", 0))
 
-        # Automatically select cudnn_type for GPU and exconv for CPU
-        # if set type=conv, but still reserve the way user specify
-        # exconv or cudnn_conv manually.
-        if self.layer_type == "cudnn_conv3d":
-            config_assert(use_gpu, "cudnn_conv3d only support GPU")
+        # Automatically select cudnn_type for GPU and exconvt for CPU
+        # if set type=exconvt, but still reserve the way user specify
+        # exconvt or cudnn_convt manually.
+        if self.layer_type == "cudnn_convt":
+            config_assert(use_gpu, "cudnn_convt only support GPU")
 
+        if (use_gpu == 1 and self.layer_type != "exconvt" and
+            (parallel_nn == 0 or self.config.device > -1)):
+            self.layer_type = "cudnn_convt"
+        else:
+            self.layer_type = "exconvt"
         # need to specify layer in config
         self.config.type = self.layer_type
 
@@ -2032,15 +2033,17 @@ class Conv3DLayerBase(LayerBase):
 
         for input_index in xrange(len(self.inputs)):
             input_layer = self.get_input_layer(input_index)
+            parse_conv(
+                self.inputs[input_index].conv,
+                input_layer.name,
+                self.config.inputs[input_index].conv_conf,
+                num_filters,
+                trans=True)
             conv_conf = self.config.inputs[input_index].conv_conf
-            parse_conv3d(
-                self.inputs[input_index].conv, input_layer.name, conv_conf,
-                num_filters
-            )  # for z-axis pad:0, strid:1, filter_size:1, img_size:1
             psize = self.calc_parameter_size(conv_conf)
             self.create_input_parameter(input_index, psize)
-            self.set_cnn_layer(name, conv_conf.output_z, conv_conf.output_y,
-                               conv_conf.output_x, self.config.num_filters)
+            self.set_cnn_layer(name, conv_conf.img_size_y, conv_conf.img_size,
+                               self.config.num_filters)
 
         psize = self.config.size
         if shared_biases:
@@ -2048,62 +2051,42 @@ class Conv3DLayerBase(LayerBase):
         self.create_bias_parameter(bias, psize, [psize, 1])
 
     def calc_parameter_size(self, conv_conf):
-        return self.config.num_filters * conv_conf.filter_channels \
-               * (conv_conf.filter_size * conv_conf.filter_size_y \
-                  * conv_conf.filter_size_z)
+        return conv_conf.channels * conv_conf.filter_channels \
+                    * (conv_conf.filter_size * conv_conf.filter_size_y)
 
-    def set_layer_height_width(self, depth, height, width):
-        self.config.depth = depth
-        self.config.height = height
-        self.config.width = width
 
-    def set_cnn_layer(self,
-                      input_layer_name,
-                      depth,
-                      height,
-                      width,
-                      channels,
-                      is_print=True):
-        size = depth * height * width * channels
-        self.set_layer_size(size)
-        self.set_layer_height_width(depth, height, width)
-        if is_print:
-            print("output for %s: c = %d, d = %d, h = %d, w = %d, size = %d" %
-                  (input_layer_name, channels, depth, height, width, size))
+@config_layer('exconvt')
+class ConvTransLayer(ConvTransLayerBase):
+    layer_type = 'exconvt'
 
 
-@config_layer('conv3d')
-class Conv3DLayer(Conv3DLayerBase):
-    layer_type = 'conv3d'
+@config_layer('cudnn_convt')
+class ConvTransLayer(ConvTransLayerBase):
+    layer_type = 'cudnn_convt'
 
 
-@config_layer('convt_3d')
-class Conv3DTransLayerBase(LayerBase):
+@config_layer('conv_3d')
+class Conv3DLayerBase(LayerBase):
     def __init__(self,
                  name,
                  inputs=[],
                  bias=True,
                  num_filters=None,
-                 shared_biases=False,
+                 shared_biases=True,
                  **xargs):
-        super(Conv3DTransLayerBase, self).__init__(
+        super(Conv3DLayerBase, self).__init__(
             name, self.layer_type, 0, inputs=inputs, **xargs)
 
         if num_filters is not None:
             self.config.num_filters = num_filters
 
-        use_gpu = int(g_command_config_args.get("use_gpu", 0))
-        parallel_nn = int(g_command_config_args.get("parallel_nn", 0))
-
-        # Automatically select cudnn_type for GPU and exconv for CPU
-        # if set type=conv, but still reserve the way user specify
-        # exconv or cudnn_conv manually.
-        if self.layer_type == "cudnn_deconv3d":
-            config_assert(use_gpu, "cudnn_conv3d only support GPU")
-
         # need to specify layer in config
         self.config.type = self.layer_type
 
+        trans = False
+        if self.config.type == "deconv3d":
+            trans = True
+
         if shared_biases is not None:
             self.config.shared_biases = shared_biases
 
@@ -2115,12 +2098,17 @@ class Conv3DTransLayerBase(LayerBase):
                 input_layer.name,
                 conv_conf,
                 num_filters,
-                trans=True
+                trans=trans
             )  # for z-axis pad:0, strid:1, filter_size:1, img_size:1
             psize = self.calc_parameter_size(conv_conf)
             self.create_input_parameter(input_index, psize)
-            self.set_cnn_layer(name, conv_conf.img_size_z, conv_conf.img_size_y,
-                               conv_conf.img_size, self.config.num_filters)
+            if trans:
+                self.set_cnn_layer(name, conv_conf.img_size_z,
+                                   conv_conf.img_size_y, conv_conf.img_size,
+                                   self.config.num_filters)
+            else:
+                self.set_cnn_layer(name, conv_conf.output_z, conv_conf.output_y,
+                                   conv_conf.output_x, self.config.num_filters)
 
         psize = self.config.size
         if shared_biases:
@@ -2132,11 +2120,6 @@ class Conv3DTransLayerBase(LayerBase):
                * (conv_conf.filter_size * conv_conf.filter_size_y \
                   * conv_conf.filter_size_z)
 
-    def set_layer_height_width(self, depth, height, width):
-        self.config.depth = depth
-        self.config.height = height
-        self.config.width = width
-
     def set_cnn_layer(self,
                       input_layer_name,
                       depth,
@@ -2146,86 +2129,21 @@ class Conv3DTransLayerBase(LayerBase):
                       is_print=True):
         size = depth * height * width * channels
         self.set_layer_size(size)
-        self.set_layer_height_width(depth, height, width)
+        self.set_layer_height_width(height, width)
+        self.set_layer_depth(depth)
         if is_print:
             print("output for %s: c = %d, d = %d, h = %d, w = %d, size = %d" %
                   (input_layer_name, channels, depth, height, width, size))
 
 
-@config_layer('deconv3d')
-class DeConv3DLayer(Conv3DTransLayerBase):
-    layer_type = 'deconv3d'
-
-
-@config_layer('convt')
-class ConvTransLayerBase(LayerBase):
-    layer_type = 'convt'
-
-    def __init__(self,
-                 name,
-                 inputs=[],
-                 bias=True,
-                 num_filters=None,
-                 shared_biases=False,
-                 **xargs):
-        super(ConvTransLayerBase, self).__init__(
-            name, self.layer_type, 0, inputs=inputs, **xargs)
-
-        if num_filters is not None:
-            self.config.num_filters = num_filters
-
-        use_gpu = int(g_command_config_args.get("use_gpu", 0))
-        parallel_nn = int(g_command_config_args.get("parallel_nn", 0))
-
-        # Automatically select cudnn_type for GPU and exconvt for CPU
-        # if set type=exconvt, but still reserve the way user specify
-        # exconvt or cudnn_convt manually.
-        if self.layer_type == "cudnn_convt":
-            config_assert(use_gpu, "cudnn_convt only support GPU")
-
-        if (use_gpu == 1 and self.layer_type != "exconvt" and
-            (parallel_nn == 0 or self.config.device > -1)):
-            self.layer_type = "cudnn_convt"
-        else:
-            self.layer_type = "exconvt"
-        # need to specify layer in config
-        self.config.type = self.layer_type
-
-        if shared_biases is not None:
-            self.config.shared_biases = shared_biases
-
-        for input_index in xrange(len(self.inputs)):
-            input_layer = self.get_input_layer(input_index)
-            parse_conv(
-                self.inputs[input_index].conv,
-                input_layer.name,
-                self.config.inputs[input_index].conv_conf,
-                num_filters,
-                trans=True)
-            conv_conf = self.config.inputs[input_index].conv_conf
-            psize = self.calc_parameter_size(conv_conf)
-            self.create_input_parameter(input_index, psize)
-            self.set_cnn_layer(name, conv_conf.img_size_y, conv_conf.img_size,
-                               self.config.num_filters)
-
-        psize = self.config.size
-        if shared_biases:
-            psize = self.config.num_filters
-        self.create_bias_parameter(bias, psize, [psize, 1])
-
-    def calc_parameter_size(self, conv_conf):
-        return conv_conf.channels * conv_conf.filter_channels \
-                    * (conv_conf.filter_size * conv_conf.filter_size_y)
-
-
-@config_layer('exconvt')
-class ConvTransLayer(ConvTransLayerBase):
-    layer_type = 'exconvt'
+@config_layer('conv3d')
+class Conv3DLayer(Conv3DLayerBase):
+    layer_type = 'conv3d'
 
 
-@config_layer('cudnn_convt')
-class ConvTransLayer(ConvTransLayerBase):
-    layer_type = 'cudnn_convt'
+@config_layer('deconv3d')
+class Conv3DLayer(Conv3DLayerBase):
+    layer_type = 'deconv3d'
 
 
 @config_layer('norm')
diff --git a/python/paddle/trainer_config_helpers/layers.py b/python/paddle/trainer_config_helpers/layers.py
index 6953f134c5dac04ece01c1a0261f416ec2dc6e4a..e3ae81459f359ec0b4b4e7d7b507412851cb55be 100644
--- a/python/paddle/trainer_config_helpers/layers.py
+++ b/python/paddle/trainer_config_helpers/layers.py
@@ -6161,12 +6161,6 @@ def img_conv3d_layer(input,
                      param_attr=None,
                      shared_biases=True,
                      layer_attr=None,
-                     filter_size_y=None,
-                     stride_y=None,
-                     padding_y=None,
-                     filter_size_z=None,
-                     stride_z=None,
-                     padding_z=None,
                      trans=False,
                      layer_type=None):
     """
@@ -6175,7 +6169,7 @@ def img_conv3d_layer(input,
 
     ..  code-block:: python
 
-        conv = img_conv3d_layer(input=data, filter_size=1, filter_size_y=1,
+        conv = img_conv3d_layer(input=data, filter_size=1,
                               num_channels=8,
                               num_filters=16, stride=1,
                               bias_attr=False,
@@ -6185,13 +6179,8 @@ def img_conv3d_layer(input,
     :type name: basestring
     :param input: Layer Input.
     :type input: LayerOutput
-    :param filter_size: The x dimension of a filter kernel. Or input a tuple for
-                        two image dimension.
+    :param filter_size: The x dimension of a filter kernel. Or input a list.
     :type filter_size: int|tuple|list
-    :param filter_size_y: The y dimension of a filter kernel. Since PaddlePaddle
-                        currently supports rectangular filters, the filter's
-                        shape will be (filter_size, filter_size_y).
-    :type filter_size_y: int|None
     :param num_filters: Each filter group's number of filter
     :param act: Activation type. Default is tanh
     :type act: BaseActivation
@@ -6200,13 +6189,9 @@ def img_conv3d_layer(input,
     :param stride: The x dimension of the stride. Or input a tuple for two image
                    dimension.
     :type stride: int|tuple|list
-    :param stride_y: The y dimension of the stride.
-    :type stride_y: int
     :param padding: The x dimension of the padding. Or input a tuple for two
                     image dimension
     :type padding: int|tuple|list
-    :param padding_y: The y dimension of the padding.
-    :type padding_y: int
     :param bias_attr: Convolution bias attribute. None means default bias.
                       False means no bias.
     :type bias_attr: ParameterAttribute|False
@@ -6233,47 +6218,26 @@ def img_conv3d_layer(input,
         assert input.num_filters is not None
         num_channels = input.num_filters
 
-    if filter_size_y is None:
-        if isinstance(filter_size, collections.Sequence):
-            assert len(filter_size) == 2
-            filter_size, filter_size_y = filter_size
-        else:
-            filter_size_y = filter_size
-
-    if filter_size_z is None:
-        if isinstance(filter_size, collections.Sequence):
-            assert len(filter_size) == 2
-            filter_size, filter_size_z = filter_size
-        else:
-            filter_size_z = filter_size
-
-    if stride_y is None:
-        if isinstance(stride, collections.Sequence):
-            assert len(stride) == 2
-            stride, stride_y = stride
-        else:
-            stride_y = stride
-
-    if stride_z is None:
-        if isinstance(stride, collections.Sequence):
-            assert len(stride) == 2
-            stride, stride_z = stride
-        else:
-            stride_z = stride
+    if isinstance(filter_size, collections.Sequence):
+        assert len(filter_size) == 3
+        filter_size, filter_size_y, filter_size_z = filter_size
+    else:
+        filter_size_y = filter_size
+        filter_size_z = filter_size
 
-    if padding_y is None:
-        if isinstance(padding, collections.Sequence):
-            assert len(padding) == 2
-            padding, padding_y = padding
-        else:
-            padding_y = padding
+    if isinstance(stride, collections.Sequence):
+        assert len(stride) == 3
+        stride, stride_y, stride_z = stride
+    else:
+        stride_y = stride
+        stride_z = stride
 
-    if padding_z is None:
-        if isinstance(padding, collections.Sequence):
-            assert len(padding) == 2
-            padding, padding_z = padding
-        else:
-            padding_z = padding
+    if isinstance(padding, collections.Sequence):
+        assert len(padding) == 3
+        padding, padding_y, padding_z = padding
+    else:
+        padding_y = padding
+        padding_z = padding
 
     if param_attr.attr.get('initial_smart'):
         # special initial for conv layers.
diff --git a/python/paddle/trainer_config_helpers/tests/configs/conv3d_deconv3d_test_config.py b/python/paddle/trainer_config_helpers/tests/configs/conv3d_deconv3d_test_config.py
index da0d23d057d80d3ce8b0ebb79ec08f04dfde74c1..15f7c1d271fce9c87e5509a11fb8ad6edecedbc0 100644
--- a/python/paddle/trainer_config_helpers/tests/configs/conv3d_deconv3d_test_config.py
+++ b/python/paddle/trainer_config_helpers/tests/configs/conv3d_deconv3d_test_config.py
@@ -14,23 +14,44 @@ padding_y = 1
 padding_z = 1
 groups = 1
 
-data = data_layer(
-    name='data1', size=12096 * num_channels, height=48, width=42, depth=6)
+data1 = data_layer(name='data1', size=2016 * num_channels, height=48, width=42)
 
-conv3d = img_conv3d_layer(
+img_conv_layer(
+    input=data1,
+    filter_size=filter_size,
+    num_channels=num_channels,
+    num_filters=16,
+    stride=stride,
+    padding=padding,
+    act=LinearActivation(),
+    bias_attr=False)
+
+data = data_layer(
+    name='data', size=12096 * num_channels, height=48, width=42, depth=6)
+# first
+conv3d_1 = img_conv3d_layer(
     input=data,
     name='conv3d_1',
     num_filters=16,
     num_channels=num_channels,
     filter_size=filter_size,
-    filter_size_y=filter_size,
-    filter_size_z=filter_size,
     stride=stride,
-    stride_y=stride_y,
-    stride_z=stride_z,
     padding=padding,
-    padding_y=padding_y,
-    padding_z=padding_z,
+    groups=groups,
+    bias_attr=True,
+    shared_biases=True,
+    trans=False,
+    layer_type="conv3d",
+    act=LinearActivation())
+# second
+conv3d_2 = img_conv3d_layer(
+    input=data,
+    name='conv3d_2',
+    num_filters=16,
+    num_channels=num_channels,
+    filter_size=[filter_size, filter_size_y, filter_size_z],
+    stride=[stride, stride_y, stride_z],
+    padding=[padding, padding_y, padding_z],
     groups=groups,
     bias_attr=True,
     shared_biases=True,
@@ -38,61 +59,33 @@ conv3d = img_conv3d_layer(
     layer_type="conv3d",
     act=LinearActivation())
 
-deconv3d = img_conv3d_layer(
+# first
+deconv3d_1 = img_conv3d_layer(
     input=data,
     name='deconv3d_1',
     num_filters=16,
     num_channels=num_channels,
     filter_size=filter_size,
-    filter_size_y=filter_size,
-    filter_size_z=filter_size,
     stride=stride,
-    stride_y=stride_y,
-    stride_z=stride_z,
     padding=padding,
-    padding_y=padding_y,
-    padding_z=padding_z,
     groups=groups,
     bias_attr=True,
     shared_biases=True,
-    trans=True,
+    trans=False,
     layer_type="deconv3d",
     act=LinearActivation())
-
-data = data_layer(name="input", size=8 * 16 * 16)
-conv1 = img_conv_layer(
-    input=data,
-    filter_size=1,
-    filter_size_y=1,
-    num_channels=8,
-    num_filters=16,
-    stride=1,
-    bias_attr=False,
-    act=ReluActivation(),
-    layer_type="exconv")
-conv2 = img_conv_layer(
-    input=data,
-    filter_size=1,
-    filter_size_y=1,
-    num_channels=8,
-    num_filters=16,
-    stride=1,
-    bias_attr=False,
-    act=ReluActivation(),
-    layer_type="exconv")
-
-concat = concat_layer(input=[conv1, conv2])
-
-conv = img_conv_layer(
+# second
+deconv3d_2 = img_conv3d_layer(
     input=data,
-    filter_size=1,
-    filter_size_y=1,
-    num_channels=8,
+    name='deconv3d_2',
     num_filters=16,
-    stride=1,
+    num_channels=num_channels,
+    filter_size=[filter_size, filter_size_y, filter_size_z],
+    stride=[stride, stride_y, stride_z],
+    padding=[padding, padding_y, padding_z],
+    groups=groups,
     bias_attr=True,
-    act=LinearActivation(),
-    groups=2,
-    layer_type="exconv")
-
-outputs(concat, conv)
+    shared_biases=True,
+    trans=False,
+    layer_type="deconv3d",
+    act=LinearActivation())