diff --git a/doc/api/index_cn.rst b/doc/api/index_cn.rst
index fca981221e490686e468ae8d385d844d49767883..9be0b370ee5e301aee4a6e31b1cfa905754968e8 100644
--- a/doc/api/index_cn.rst
+++ b/doc/api/index_cn.rst
@@ -1,26 +1,9 @@
 API
 ===
 
-模型配置 API
-------------
-
 ..  toctree::
     :maxdepth: 1
 
-    v2/model_configs.rst
-
-数据 API
---------
-
-..  toctree::
-    :maxdepth: 1
-
-    v2/data.rst
-
-训练 API
---------
-
-..	toctree::
-	:maxdepth: 1
-
-	v2/run_logic.rst
\ No newline at end of file
+    模型配置 <v2/model_configs.rst>
+    数据访问 <v2/data.rst>
+    训练与应用 <v2/run_logic.rst>
diff --git a/doc/api/index_en.rst b/doc/api/index_en.rst
index f0ad0fb2aee7345db1dd5f175a342598366f5e3c..25c1dd00b9cbb3ab647e04cdc2b4c27c552a2332 100644
--- a/doc/api/index_en.rst
+++ b/doc/api/index_en.rst
@@ -1,26 +1,9 @@
 API
 ===
 
-Model Config API
-----------------
-
 ..  toctree::
     :maxdepth: 1
 
     v2/model_configs.rst
-
-Data API
---------
-
-..  toctree::
-    :maxdepth: 1
-
     v2/data.rst
-
-Train API
----------
-
-..	toctree::
-	:maxdepth: 1
-
-	v2/run_logic.rst
\ No newline at end of file
+    v2/run_logic.rst
diff --git a/doc/api/v2/config/activation.rst b/doc/api/v2/config/activation.rst
new file mode 100644
index 0000000000000000000000000000000000000000..eca3ce03bcdc599edca802d8dfca48d4f28275a2
--- /dev/null
+++ b/doc/api/v2/config/activation.rst
@@ -0,0 +1,101 @@
+===========
+Activation
+===========
+
+Abs
+===
+
+..  automodule:: paddle.v2.activation
+    :members: Abs
+    :noindex:
+    
+Exp
+===
+
+..  automodule:: paddle.v2.activation
+    :members: Exp
+    :noindex:
+    
+Identity
+========
+
+..  automodule:: paddle.v2.activation
+    :members: Identity
+    :noindex:
+    
+Linear
+======
+
+..  automodule:: paddle.v2.activation
+    :members: Linear
+    :noindex:
+
+Log
+===
+
+..  automodule:: paddle.v2.activation
+    :members: Log
+    :noindex:
+    
+Square
+======
+
+..  automodule:: paddle.v2.activation
+    :members: Square
+    :noindex:
+    
+Sigmoid
+=======
+
+..  automodule:: paddle.v2.activation
+    :members: Sigmoid
+    :noindex:
+    
+Softmax
+=======
+
+..  automodule:: paddle.v2.activation
+    :members: Softmax
+    :noindex:
+    
+SequenceSoftmax
+===============
+
+..  automodule:: paddle.v2.activation
+    :members: SequenceSoftmax
+    :noindex:
+    
+Relu
+====
+
+..  automodule:: paddle.v2.activation
+    :members: Relu
+    :noindex:
+    
+BRelu
+=====
+
+..  automodule:: paddle.v2.activation
+    :members: BRelu
+    :noindex:
+    
+SoftRelu
+========
+
+..  automodule:: paddle.v2.activation
+    :members: SoftRelu
+    :noindex:
+    
+Tanh
+====
+
+..  automodule:: paddle.v2.activation
+    :members: Tanh
+    :noindex:
+    
+STanh
+=====
+
+..  automodule:: paddle.v2.activation
+    :members: STanh
+    :noindex:
diff --git a/doc/api/v2/config/attr.rst b/doc/api/v2/config/attr.rst
new file mode 100644
index 0000000000000000000000000000000000000000..a93f41b86779200d8bac651614f4d61f4895875f
--- /dev/null
+++ b/doc/api/v2/config/attr.rst
@@ -0,0 +1,6 @@
+Parameter Attribute
+===================
+
+..  automodule:: paddle.v2.attr
+    :members:
+    :noindex:
diff --git a/doc/api/v2/config/layer.rst b/doc/api/v2/config/layer.rst
new file mode 100644
index 0000000000000000000000000000000000000000..db33a20487e579cda67a01c52ee646829df0f4e6
--- /dev/null
+++ b/doc/api/v2/config/layer.rst
@@ -0,0 +1,487 @@
+..  _api_v2.layer:
+
+======
+Layers
+======
+
+Data layer
+===========
+
+..  _api_v2.layer_data:
+
+data
+----
+..  automodule:: paddle.v2.layer
+    :members: data
+    :noindex:
+
+Fully Connected Layers
+======================
+
+..  _api_v2.layer_fc:
+
+fc
+--
+..  automodule:: paddle.v2.layer
+    :members: fc
+    :noindex:
+
+selective_fc
+------------
+..  automodule:: paddle.v2.layer
+    :members: selective_fc
+    :noindex:
+
+Conv Layers
+===========
+
+conv_operator
+-------------
+..  automodule:: paddle.v2.layer
+    :members: conv_operator
+    :noindex:
+
+conv_projection
+---------------
+..  automodule:: paddle.v2.layer
+    :members: conv_projection
+    :noindex:
+
+conv_shift
+----------
+..  automodule:: paddle.v2.layer
+    :members: conv_shift
+    :noindex:
+
+img_conv
+--------
+..  automodule:: paddle.v2.layer
+    :members: img_conv
+    :noindex:
+
+..  _api_v2.layer_context_projection:
+
+context_projection 
+------------------
+..  automodule:: paddle.v2.layer
+    :members: context_projection
+    :noindex:
+
+Image Pooling Layer
+===================
+
+img_pool
+--------
+..  automodule:: paddle.v2.layer
+    :members: img_pool
+    :noindex:   
+
+spp
+---
+..  automodule:: paddle.v2.layer
+    :members: spp
+    :noindex:
+
+maxout
+------
+..  automodule:: paddle.v2.layer
+    :members: maxout
+    :noindex:
+
+Norm Layer
+==========
+
+img_cmrnorm
+-----------
+..  automodule:: paddle.v2.layer
+    :members: img_cmrnorm
+    :noindex:
+
+batch_norm
+----------
+..  automodule:: paddle.v2.layer
+    :members: batch_norm
+    :noindex:
+
+sum_to_one_norm
+---------------
+..  automodule:: paddle.v2.layer
+    :members: sum_to_one_norm
+    :noindex:
+    
+Recurrent Layers
+================
+
+recurrent
+---------
+..  automodule:: paddle.v2.layer
+    :members: recurrent
+    :noindex:
+
+lstmemory
+---------
+..  automodule:: paddle.v2.layer
+    :members: lstmemory
+    :noindex:
+
+grumemory
+---------
+..  automodule:: paddle.v2.layer
+    :members: grumemory
+    :noindex:
+
+Recurrent Layer Group
+=====================
+
+memory
+------
+..  automodule:: paddle.v2.layer
+    :members: memory
+    :noindex:
+
+recurrent_group
+---------------
+..  automodule:: paddle.v2.layer
+    :members: recurrent_group
+    :noindex:
+    
+lstm_step
+---------
+..  automodule:: paddle.v2.layer
+    :members: lstm_step
+    :noindex:
+
+gru_step
+--------
+..  automodule:: paddle.v2.layer
+    :members: gru_step
+    :noindex:
+
+beam_search
+------------
+..  automodule:: paddle.v2.layer
+    :members: beam_search
+    :noindex:
+    
+get_output
+----------
+..  automodule:: paddle.v2.layer
+    :members: get_output
+    :noindex:
+    
+Mixed Layer
+===========
+
+..  _api_v2.layer_mixed:
+
+mixed
+-----
+..  automodule:: paddle.v2.layer
+    :members: mixed
+    :noindex:
+
+..  _api_v2.layer_embedding:
+
+embedding
+---------
+..  automodule:: paddle.v2.layer
+    :members: embedding
+    :noindex:
+
+scaling_projection
+------------------
+..  automodule:: paddle.v2.layer
+    :members: scaling_projection
+    :noindex:
+
+dotmul_projection
+-----------------
+..  automodule:: paddle.v2.layer
+    :members: dotmul_projection
+    :noindex:
+
+dotmul_operator
+---------------
+..  automodule:: paddle.v2.layer
+    :members: dotmul_operator
+    :noindex:
+
+full_matrix_projection
+----------------------
+..  automodule:: paddle.v2.layer
+    :members: full_matrix_projection
+    :noindex:
+
+identity_projection
+-------------------
+..  automodule:: paddle.v2.layer
+    :members: identity_projection
+    :noindex:
+
+
+table_projection
+----------------
+..  automodule:: paddle.v2.layer
+    :members: table_projection
+    :noindex:
+
+trans_full_matrix_projection
+----------------------------
+..  automodule:: paddle.v2.layer
+    :members: trans_full_matrix_projection
+    :noindex:
+    
+Aggregate Layers
+================
+
+..  _api_v2.layer_pooling:
+
+pooling
+-------
+..  automodule:: paddle.v2.layer
+    :members: pooling
+    :noindex:
+
+..  _api_v2.layer_last_seq:
+
+last_seq
+--------
+..  automodule:: paddle.v2.layer
+    :members: last_seq
+    :noindex:
+
+..  _api_v2.layer_first_seq:
+
+first_seq
+---------
+..  automodule:: paddle.v2.layer
+    :members: first_seq
+    :noindex:
+
+concat
+------
+..  automodule:: paddle.v2.layer
+    :members: concat
+    :noindex:
+
+seq_concat
+----------
+..  automodule:: paddle.v2.layer
+    :members: seq_concat
+    :noindex:
+
+Reshaping Layers
+================
+
+block_expand
+------------
+..  automodule:: paddle.v2.layer
+    :members: block_expand
+    :noindex:
+
+..  _api_v2.layer_expand:
+
+expand
+------
+..  automodule:: paddle.v2.layer
+    :members: expand
+    :noindex:
+
+repeat
+------
+..  automodule:: paddle.v2.layer
+    :members: repeat
+    :noindex:
+
+rotate
+------
+..  automodule:: paddle.v2.layer
+    :members: rotate
+    :noindex:
+
+seq_reshape
+-----------
+..  automodule:: paddle.v2.layer
+    :members: seq_reshape
+    :noindex:
+
+Math Layers
+===========
+
+addto
+-----
+..  automodule:: paddle.v2.layer
+    :members: addto
+    :noindex:
+
+linear_comb
+-----------
+..  automodule:: paddle.v2.layer
+    :members: linear_comb
+    :noindex:
+
+interpolation
+-------------
+..  automodule:: paddle.v2.layer
+    :members: interpolation
+    :noindex:
+
+bilinear_interp
+---------------
+..  automodule:: paddle.v2.layer
+    :members: bilinear_interp
+    :noindex:
+
+power
+-----
+..  automodule:: paddle.v2.layer
+    :members: power
+    :noindex:
+
+scaling
+-------
+..  automodule:: paddle.v2.layer
+    :members: scaling
+    :noindex:
+
+slope_intercept
+---------------
+..  automodule:: paddle.v2.layer
+    :members: slope_intercept
+    :noindex:
+
+tensor
+------
+..  automodule:: paddle.v2.layer
+    :members: tensor
+    :noindex:
+
+..  _api_v2.layer_cos_sim:
+
+cos_sim
+-------
+..  automodule:: paddle.v2.layer
+    :members: cos_sim
+    :noindex:
+
+trans
+-----
+..  automodule:: paddle.v2.layer
+    :members: trans
+    :noindex:
+
+Sampling Layers
+===============
+
+maxid
+-----
+..  automodule:: paddle.v2.layer
+    :members: maxid
+    :noindex:
+
+sampling_id
+-----------
+..  automodule:: paddle.v2.layer
+    :members: sampling_id
+    :noindex:
+
+Slicing and Joining Layers
+==========================
+
+pad
+----
+..  automodule:: paddle.v2.layer
+    :members: pad
+    :noindex:
+
+..  _api_v2.layer_costs:
+
+Cost Layers
+===========
+
+cross_entropy_cost
+------------------
+..  automodule:: paddle.v2.layer
+    :members: cross_entropy_cost
+    :noindex:
+
+cross_entropy_with_selfnorm_cost
+--------------------------------
+..  automodule:: paddle.v2.layer
+    :members: cross_entropy_with_selfnorm_cost
+    :noindex:
+
+multi_binary_label_cross_entropy_cost
+-------------------------------------
+..  automodule:: paddle.v2.layer
+    :members: multi_binary_label_cross_entropy_cost
+    :noindex:
+
+huber_cost
+----------
+..  automodule:: paddle.v2.layer
+    :members: huber_cost
+    :noindex:
+
+lambda_cost
+-----------
+..  automodule:: paddle.v2.layer
+    :members: lambda_cost
+    :noindex:
+
+rank_cost
+---------
+..  automodule:: paddle.v2.layer
+    :members: rank_cost
+    :noindex:
+
+sum_cost
+---------
+..  automodule:: paddle.v2.layer
+    :members: sum_cost
+    :noindex:
+
+crf
+---
+..  automodule:: paddle.v2.layer
+    :members: crf
+    :noindex:
+
+crf_decoding
+------------
+..  automodule:: paddle.v2.layer
+    :members: crf_decoding
+    :noindex:
+
+ctc
+---
+..  automodule:: paddle.v2.layer
+    :members: ctc
+    :noindex:
+
+warp_ctc
+--------
+..  automodule:: paddle.v2.layer
+    :members: warp_ctc
+    :noindex:
+
+nce
+---
+..  automodule:: paddle.v2.layer
+    :members: nce
+    :noindex:
+
+hsigmoid
+---------
+..  automodule:: paddle.v2.layer
+    :members: hsigmoid
+    :noindex:
+
+Check Layer 
+============
+
+eos
+---
+..  automodule:: paddle.v2.layer
+    :members: eos
+    :noindex:
diff --git a/doc/api/v2/config/networks.rst b/doc/api/v2/config/networks.rst
new file mode 100644
index 0000000000000000000000000000000000000000..6f209bc95bec7279051118bb857a96515e0371a9
--- /dev/null
+++ b/doc/api/v2/config/networks.rst
@@ -0,0 +1,117 @@
+========
+Networks
+========
+
+The v2.networks module contains pieces of neural network that combine multiple layers.
+
+NLP
+===
+
+sequence_conv_pool
+------------------
+..  automodule:: paddle.v2.networks
+    :members: sequence_conv_pool
+    :noindex:
+
+..  _api_trainer_config_helpers_network_text_conv_pool:
+
+text_conv_pool
+--------------
+..  automodule:: paddle.v2.networks
+    :members: text_conv_pool
+    :noindex:
+
+Images
+======
+
+img_conv_bn_pool
+----------------
+..  automodule:: paddle.v2.networks
+    :members: img_conv_bn_pool
+    :noindex:
+
+img_conv_group
+--------------
+..  automodule:: paddle.v2.networks
+    :members: img_conv_group
+    :noindex:
+
+..  _api_trainer_config_helpers_network_simple_img_conv_pool:
+
+simple_img_conv_pool
+--------------------
+..  automodule:: paddle.v2.networks
+    :members: simple_img_conv_pool
+    :noindex:
+
+vgg_16_network
+---------------
+..  automodule:: paddle.v2.networks
+    :members: vgg_16_network
+    :noindex:
+
+Recurrent
+=========
+
+LSTM
+----
+
+lstmemory_unit
+``````````````
+..  automodule:: paddle.v2.networks
+    :members: lstmemory_unit
+    :noindex:
+
+lstmemory_group
+```````````````
+..  automodule:: paddle.v2.networks
+    :members: lstmemory_group
+    :noindex:
+
+simple_lstm
+```````````
+..  automodule:: paddle.v2.networks
+    :members: simple_lstm
+    :noindex:
+
+bidirectional_lstm
+``````````````````
+..  automodule:: paddle.v2.networks
+    :members: bidirectional_lstm
+    :noindex:
+
+GRU
+---
+
+gru_unit
+````````
+..  automodule:: paddle.v2.networks
+    :members: gru_unit
+    :noindex:
+
+gru_group
+`````````
+..  automodule:: paddle.v2.networks
+    :members: gru_group
+    :noindex:
+
+simple_gru
+``````````
+..  automodule:: paddle.v2.networks
+    :members: simple_gru
+    :noindex:
+
+simple_attention
+----------------
+..  automodule:: paddle.v2.networks
+    :members: simple_attention
+    :noindex:
+
+Miscs
+=====
+
+dropout_layer
+--------------
+..  automodule:: paddle.v2.networks
+    :members: dropout_layer
+    :noindex:
diff --git a/doc/api/v2/config/optimizer.rst b/doc/api/v2/config/optimizer.rst
new file mode 100644
index 0000000000000000000000000000000000000000..ec6ba0aa46239f3806ca950e8863b953d0c4150b
--- /dev/null
+++ b/doc/api/v2/config/optimizer.rst
@@ -0,0 +1,47 @@
+..  _api_v2.optimizer:
+
+==========
+Optimizer
+==========
+
+Momentum
+========
+..  automodule:: paddle.v2.optimizer
+    :members: Momentum
+    :noindex:
+
+Adam
+====
+..  automodule:: paddle.v2.optimizer
+    :members: Adam
+    :noindex:
+
+Adamax
+======
+..  automodule:: paddle.v2.optimizer
+    :members: Adamax
+    :noindex:
+
+AdaGrad
+=======
+..  automodule:: paddle.v2.optimizer
+    :members: AdaGrad
+    :noindex:
+
+DecayedAdaGrad
+==============
+..  automodule:: paddle.v2.optimizer
+    :members: DecayedAdaGrad
+    :noindex:
+
+AdaDelta
+========
+..  automodule:: paddle.v2.optimizer
+    :members: AdaDelta
+    :noindex:
+
+RMSProp
+=======
+..  automodule:: paddle.v2.optimizer
+    :members: RMSProp
+    :noindex:
diff --git a/doc/api/v2/config/pooling.rst b/doc/api/v2/config/pooling.rst
new file mode 100644
index 0000000000000000000000000000000000000000..d26b365c9284632210a1532853e39feedc70758b
--- /dev/null
+++ b/doc/api/v2/config/pooling.rst
@@ -0,0 +1,46 @@
+=======
+Pooling
+=======
+
+BasePool
+========
+..  automodule:: paddle.v2.pooling
+    :members: BasePool
+    :noindex:
+
+Avg
+===
+..  automodule:: paddle.v2.pooling
+    :members: Avg
+    :noindex:
+
+Max
+===
+..  automodule:: paddle.v2.pooling
+    :members: Max
+    :noindex:
+
+Sum
+===
+..  automodule:: paddle.v2.pooling
+    :members: Sum
+    :noindex:
+
+SquareRootN
+===========
+..  automodule:: paddle.v2.pooling
+    :members: SquareRootN
+    :noindex:
+
+CudnnAvg
+========
+..  automodule:: paddle.v2.pooling
+    :members: CudnnAvg
+    :noindex:
+
+CudnnMax
+========
+..  automodule:: paddle.v2.pooling
+    :members: CudnnMax
+    :noindex:
+
diff --git a/doc/api/v2/data.rst b/doc/api/v2/data.rst
index 1c0a202a8c04322de3e9533c11fb5c74abac6c62..b042320bc2922a1ddfa06b5d8479ac9134ae9d89 100644
--- a/doc/api/v2/data.rst
+++ b/doc/api/v2/data.rst
@@ -1,52 +1,53 @@
-================
-Data Related API
-================
+========
+Datasets
+========
 
 
-#########
 DataTypes
-#########
+=========
 
 ..  automodule:: paddle.v2.data_type
     :members:
+    :noindex:
 
-##########
 DataFeeder
-##########
+==========
 
 ..  automodule:: paddle.v2.data_feeder
     :members:
+    :noindex:
 
-######
 Reader
-######
+======
 
 ..  automodule:: paddle.v2.reader
     :members:
+    :noindex:
 
 ..  automodule:: paddle.v2.reader.creator
     :members:
+    :noindex:
 
-#########
 minibatch
-#########
+=========
 
 ..  automodule:: paddle.v2.minibatch
     :members:
+    :noindex:
 
-#######
 Dataset
-#######
+=======
 
 ..  automodule:: paddle.v2.dataset
     :members:
-
+    :noindex:
 
 mnist
 +++++
 
 ..  automodule:: paddle.v2.dataset.mnist
     :members:
+    :noindex:
 
 
 cifar
@@ -54,40 +55,54 @@ cifar
 
 ..  automodule:: paddle.v2.dataset.cifar
     :members:
+    :noindex:
 
 conll05
 +++++++
 
 ..  automodule:: paddle.v2.dataset.conll05
     :members:
+    :noindex:
 
 imdb
 ++++
 
 ..  automodule:: paddle.v2.dataset.imdb
     :members:
+    :noindex:
 
 imikolov
 ++++++++
 
 ..  automodule:: paddle.v2.dataset.imikolov
     :members:
+    :noindex:
 
 movielens
 +++++++++
 
 ..  automodule:: paddle.v2.dataset.movielens
     :members:
+    :noindex:
 
 sentiment
 +++++++++
 
 ..  automodule:: paddle.v2.dataset.sentiment
     :members:
+    :noindex:
 
 uci_housing
 +++++++++++
 
 ..  automodule:: paddle.v2.dataset.uci_housing
     :members:
+    :noindex:
+
+wmt14
++++++
+
+..  automodule:: paddle.v2.dataset.uci_housing
+    :members:
+    :noindex:
 
diff --git a/doc/api/v2/model_configs.rst b/doc/api/v2/model_configs.rst
index e9cd3d5bf7b0e9e59c231bcabdb163a740909de1..a5fae7e29e56d9e236d489353a5c8967d1954641 100644
--- a/doc/api/v2/model_configs.rst
+++ b/doc/api/v2/model_configs.rst
@@ -1,46 +1,12 @@
-#########################
-Configuration Related API
-#########################
-
-======
-Layers
-======
-
-..  automodule:: paddle.v2.layer
-    :members:
-
-
-==========
-Attributes
-==========
-
-..	automodule:: paddle.v2.attr
-	:members:
-
-===========
-Activations
-===========
-
-..	automodule:: paddle.v2.activation
-	:members:
-
-========
-Poolings
-========
-
-..	automodule:: paddle.v2.pooling
-	:members:
-
-========
-Networks
-========
-
-..	automodule:: paddle.v2.networks
-	:members:
-
-==========
-Optimizers
-==========
-
-..	automodule:: paddle.v2.optimizer
-	:members:
+Model Configuration
+===================
+
+..  toctree::
+    :maxdepth: 1
+
+    config/activation.rst
+    config/layer.rst
+    config/optimizer.rst
+    config/pooling.rst
+    config/networks.rst
+    config/attr.rst
diff --git a/doc/api/v2/run_logic.rst b/doc/api/v2/run_logic.rst
index 0f807873ff9a16263920fa73bf70316df3336d0b..94921e1a7b9c0a95931136bfb65d2560dba8b8ee 100644
--- a/doc/api/v2/run_logic.rst
+++ b/doc/api/v2/run_logic.rst
@@ -1,34 +1,27 @@
-###########
-Trainer API
-###########
+======================
+Training and Inference
+======================
 
-
-==========
 Parameters
 ==========
 
 ..  automodule:: paddle.v2.parameters
-    :members:
+    :noindex:
 
-
-=======
 Trainer
 =======
 
-..	automodule:: paddle.v2.trainer
-	:members:
+..  automodule:: paddle.v2.trainer
+    :noindex:
 
-
-=====
 Event
 =====
 
-..	automodule:: paddle.v2.event
-	:members:
+..  automodule:: paddle.v2.event
+    :noindex:
 
-
-=========
 Inference
 =========
 
-..	autofunction:: paddle.v2.infer
\ No newline at end of file
+..  autofunction:: paddle.v2.infer
+    :noindex: