diff --git a/python/paddle/fluid/contrib/slim/quantization/post_training_quantization.py b/python/paddle/fluid/contrib/slim/quantization/post_training_quantization.py
index 46963fde7b491a3211a8f2723723f6e7c2cae272..bd8fa2a072dd496c3b16fa2158f23fe4af5fc7a5 100644
--- a/python/paddle/fluid/contrib/slim/quantization/post_training_quantization.py
+++ b/python/paddle/fluid/contrib/slim/quantization/post_training_quantization.py
@@ -37,8 +37,9 @@ from .adaround import run_adaround
 from . import utils
 
 __all__ = [
-    'PostTrainingQuantization', 'WeightQuantization',
-    'PostTrainingQuantizationProgram'
+    'PostTrainingQuantization',
+    'WeightQuantization',
+    'PostTrainingQuantizationProgram',
 ]
 
 _logger = get_logger(__name__,
diff --git a/python/paddle/quantization/__init__.py b/python/paddle/quantization/__init__.py
new file mode 100644
index 0000000000000000000000000000000000000000..77da408d8e001d4fa1dd62bf51f715d6b714084a
--- /dev/null
+++ b/python/paddle/quantization/__init__.py
@@ -0,0 +1,25 @@
+# Copyright (c) 2022 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 ...fluid.contrib.slim.quantization.imperative.ptq_config import PTQConfig, default_ptq_config
+from ...fluid.contrib.slim.quantization.imperative.ptq_quantizer import BaseQuantizer
+from ...fluid.contrib.slim.quantization.imperative.ptq_quantizer import AbsmaxQuantizer
+from ...fluid.contrib.slim.quantization.imperative.ptq_quantizer import PerChannelAbsmaxQuantizer
+from ...fluid.contrib.slim.quantization.imperative.ptq_quantizer import KLQuantizer
+from ...fluid.contrib.slim.quantization.imperative.ptq_quantizer import HistQuantizer
+from ...fluid.contrib.slim.quantization.imperative.ptq_quantizer import SUPPORT_ACT_QUANTIZERS
+from ...fluid.contrib.slim.quantization.imperative.ptq_quantizer import SUPPORT_WT_QUANTIZERS
+from ...fluid.contrib.slim.quantization.imperative.ptq_registry import PTQRegistry
+from ...fluid.contrib.slim.quantization.imperative.ptq import ImperativePTQ
+from ...fluid.contrib.slim.quantization.imperative.qat import ImperativeQuantAware
diff --git a/python/paddle/static/quantization/__init__.py b/python/paddle/static/quantization/__init__.py
new file mode 100644
index 0000000000000000000000000000000000000000..325fee5624bff614b5289303154cab7ead7d0a6b
--- /dev/null
+++ b/python/paddle/static/quantization/__init__.py
@@ -0,0 +1,31 @@
+# Copyright (c) 2022 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 ...fluid.contrib.slim.quantization.quantization_pass import QuantizationTransformPass
+from ...fluid.contrib.slim.quantization.quantization_pass import QuantizationFreezePass
+from ...fluid.contrib.slim.quantization.quantization_pass import ConvertToInt8Pass
+from ...fluid.contrib.slim.quantization.quantization_pass import TransformForMobilePass
+from ...fluid.contrib.slim.quantization.quantization_pass import OutScaleForTrainingPass
+from ...fluid.contrib.slim.quantization.quantization_pass import OutScaleForInferencePass
+from ...fluid.contrib.slim.quantization.quantization_pass import AddQuantDequantPass
+from ...fluid.contrib.slim.quantization.quantization_pass import ReplaceFakeQuantDequantPass
+from ...fluid.contrib.slim.quantization.quantization_pass import QuantWeightPass
+from ...fluid.contrib.slim.quantization.quantization_pass import QuantizationTransformPassV2
+from ...fluid.contrib.slim.quantization.quantization_pass import AddQuantDequantPassV2
+from ...fluid.contrib.slim.quantization.quant_int8_mkldnn_pass import QuantInt8MkldnnPass
+from ...fluid.contrib.slim.quantization.quant2_int8_mkldnn_pass import Quant2Int8MkldnnPass
+
+from ...fluid.contrib.slim.quantization.post_training_quantization import PostTrainingQuantization
+from ...fluid.contrib.slim.quantization.post_training_quantization import PostTrainingQuantizationProgram
+from ...fluid.contrib.slim.quantization.post_training_quantization import WeightQuantization