diff --git a/.github/ISSUE_TEMPLATE/3_build-installation-issue.yml b/.github/ISSUE_TEMPLATE/3_build-installation-issue.yml
index a81bdb3a5443bc..d155e25e88f35f 100644
--- a/.github/ISSUE_TEMPLATE/3_build-installation-issue.yml
+++ b/.github/ISSUE_TEMPLATE/3_build-installation-issue.yml
@@ -37,7 +37,7 @@ body:
       2. CPU（可选）：请提供CPU型号，MKL/OpenBlas/MKLDNN/等数学库的使用情况，是否支持AVX指令集。
       3. GPU：请提供GPU型号，CUDA（如cuda10.2）和CUDNN版本号（如cudnn7.6.5）。
       4. 系统环境：请说明系统类型、版本（如Mac OS 10.14）。
-      5. Python版本（如python 3.7）。
+      5. Python版本（如python 3.8）。
       6. （可选）若安装过程遇到问题，请提供安装方式（pip/conda/docker/源码编译）和相应的安装命令。
       7. （可选）若使用paddle过程中，遇到了无法使用gpu相关问题，请在命令行中键入`nvidia-smi`和`nvcc -V`，提供这两个命令输出的截图。
       8. （可选）若使用特殊硬件，请单独注明。
diff --git a/cmake/python_module.cmake b/cmake/python_module.cmake
index b4b6fce8cc34fa..308a747178dbf6 100644
--- a/cmake/python_module.cmake
+++ b/cmake/python_module.cmake
@@ -53,7 +53,7 @@ function(check_py_version py_version)
   string(REPLACE "." ";" version_list ${py_version})
   list(LENGTH version_list version_list_len)
   if(version_list_len LESS 2)
-    message(FATAL_ERROR "Please input Python version, eg:3.7 or 3.8 and so on")
+    message(FATAL_ERROR "Please input Python version, eg:3.8 or 3.9 and so on")
   endif()
 
   list(GET version_list 0 version_major)
@@ -62,6 +62,6 @@ function(check_py_version py_version)
   if((version_major GREATER_EQUAL 3) AND (version_minor GREATER_EQUAL 7))
 
   else()
-    message(FATAL_ERROR "Paddle only support Python version >=3.7 now!")
+    message(FATAL_ERROR "Paddle only support Python version >=3.8 now!")
   endif()
 endfunction()
diff --git a/paddle/cinn/auto_schedule/cost_model/xgb_cost_model.cc b/paddle/cinn/auto_schedule/cost_model/xgb_cost_model.cc
index 8cac30ee841391..f5a053d12dcfa1 100644
--- a/paddle/cinn/auto_schedule/cost_model/xgb_cost_model.cc
+++ b/paddle/cinn/auto_schedule/cost_model/xgb_cost_model.cc
@@ -71,7 +71,7 @@ pybind11::array VectorToNumpy(const std::vector<std::vector<Dtype>>& vec) {
 // Something may be wrong when users use virtual Python environment.
 void AddDistPkgToPythonSysPath() {
   pybind11::module sys_py_mod = pybind11::module::import("sys");
-  // short version such as "3.7", "3.8", ...
+  // short version such as "3.8", "3.9", ...
   std::string py_short_version =
       sys_py_mod.attr("version").cast<std::string>().substr(0, 3);
 
diff --git a/python/paddle/base/__init__.py b/python/paddle/base/__init__.py
index 7e5ac9c1d92c44..2bae757ae7d81a 100644
--- a/python/paddle/base/__init__.py
+++ b/python/paddle/base/__init__.py
@@ -141,9 +141,6 @@ def __bootstrap__():
     Returns:
         None
     """
-    # NOTE(zhiqiu): When (1)numpy < 1.19; (2) python < 3.7,
-    # unittest is always imported in numpy (maybe some versions not).
-    # so is_test is True and p2p is not inited.
     in_test = 'unittest' in sys.modules
 
     try:
diff --git a/python/setup.py.in b/python/setup.py.in
index b1a745a55b4e70..b50489caaba314 100644
--- a/python/setup.py.in
+++ b/python/setup.py.in
@@ -527,13 +527,21 @@ packages=['paddle',
 with open('@PADDLE_SOURCE_DIR@/python/requirements.txt') as f:
     setup_requires = f.read().splitlines()
 
-if sys.version_info < (3,7):
-    raise RuntimeError("Paddle only support Python version>=3.7 now")
+if sys.version_info < (3,8):
+    raise RuntimeError("Paddle only support Python version>=3.8 now")
 
 if sys.version_info >= (3,7):
     setup_requires_tmp = []
     for setup_requires_i in setup_requires:
-        if "<\"3.6\"" in setup_requires_i or "<=\"3.6\"" in setup_requires_i or "<\"3.5\"" in setup_requires_i or "<=\"3.5\"" in setup_requires_i or "<\"3.7\"" in setup_requires_i:
+        if (
+            "<\"3.6\"" in setup_requires_i
+            or "<=\"3.6\"" in setup_requires_i
+            or "<\"3.5\"" in setup_requires_i
+            or "<=\"3.5\"" in setup_requires_i
+            or "<\"3.7\"" in setup_requires_i
+            or "<=\"3.7\"" in setup_requires_i
+            or "<\"3.8\"" in setup_requires_i
+        ):
             continue
         setup_requires_tmp+=[setup_requires_i]
     setup_requires = setup_requires_tmp
diff --git a/r/README.md b/r/README.md
index 15ffddcbc1205c..18742b04498345 100644
--- a/r/README.md
+++ b/r/README.md
@@ -12,7 +12,7 @@ docker build -t paddle-rapi:latest .
 ```
 
 ### Local installation
-First, make sure `Python` is installed, assuming that the path is `/opt/python3.7`.
+First, make sure `Python` is installed, assuming that the path is `/opt/python3.8`.
 
 ``` bash
 python -m pip install paddlepaddle # CPU version
@@ -31,7 +31,7 @@ First, load PaddlePaddle in R.
 library(reticulate)
 library(RcppCNPy)
 
-use_python("/opt/python3.7/bin/python3.7")
+use_python("/opt/python3.8/bin/python3.8")
 paddle <- import("paddle.base.core")
 ```
 
diff --git a/r/README_cn.md b/r/README_cn.md
index 9dcb49d6387221..5761e55eac89c6 100644
--- a/r/README_cn.md
+++ b/r/README_cn.md
@@ -2,12 +2,12 @@
 在 R 中使用 PaddlePaddle
 
 ## 环境安装
-首先确保已安装Python，假设路径为`/opt/python3.7`
+首先确保已安装Python，假设路径为`/opt/python3.8`
 
 使用Python安装Paddle
 ``` bash
-/opt/python3.7/bin/python3.7 -m pip install paddlepaddle # CPU
-/opt/python3.7/bin/python3.7 -m pip install paddlepaddle-gpu # GPU
+/opt/python3.8/bin/python3.8 -m pip install paddlepaddle # CPU
+/opt/python3.8/bin/python3.8 -m pip install paddlepaddle-gpu # GPU
 ```
 
 安装r运行paddle预测所需要的库
@@ -20,7 +20,7 @@ install.packages("reticulate") # 调用Paddle
 
 ``` r
 library(reticulate)
-use_python("/opt/python3.7/bin/python")
+use_python("/opt/python3.8/bin/python")
 
 paddle <- import("paddle.base.core")
 ```
diff --git a/r/example/mobilenet.py b/r/example/mobilenet.py
index 4c5e210a76cb0d..0750bf2fcc4993 100755
--- a/r/example/mobilenet.py
+++ b/r/example/mobilenet.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python3.7
+#!/usr/bin/env python3.8
 
 # Copyright (c) 2020 PaddlePaddle Authors. All Rights Reserved.
 #
diff --git a/r/example/mobilenet.r b/r/example/mobilenet.r
index d3978c9f5d096f..c656a32bb2ab8b 100755
--- a/r/example/mobilenet.r
+++ b/r/example/mobilenet.r
@@ -2,7 +2,7 @@
 
 library(reticulate) # call Python library
 
-use_python("/opt/python3.7/bin/python")
+use_python("/opt/python3.8/bin/python")
 
 np <- import("numpy")
 paddle <- import("paddle.base.core")
diff --git a/setup.py b/setup.py
index c37522bac461a1..9f04fad2f3ae54 100644
--- a/setup.py
+++ b/setup.py
@@ -873,7 +873,7 @@ def get_setup_requires():
         setup_requires = (
             f.read().splitlines()
         )  # Specify the dependencies to install
-    if sys.version_info >= (3, 7):
+    if sys.version_info >= (3, 8):
         setup_requires_tmp = []
         for setup_requires_i in setup_requires:
             if (
@@ -882,6 +882,8 @@ def get_setup_requires():
                 or "<\"3.5\"" in setup_requires_i
                 or "<=\"3.5\"" in setup_requires_i
                 or "<\"3.7\"" in setup_requires_i
+                or "<=\"3.7\"" in setup_requires_i
+                or "<\"3.8\"" in setup_requires_i
             ):
                 continue
             setup_requires_tmp += [setup_requires_i]
@@ -889,7 +891,7 @@ def get_setup_requires():
         return setup_requires
     else:
         raise RuntimeError(
-            "please check your python version,Paddle only support Python version>=3.7 now"
+            "please check your python version,Paddle only support Python version>=3.8 now"
         )
 
 
diff --git a/test/ipu/distributed/test_dist_pod128_sample.py b/test/ipu/distributed/test_dist_pod128_sample.py
index 94e87bab49afeb..cd598c30a4429e 100644
--- a/test/ipu/distributed/test_dist_pod128_sample.py
+++ b/test/ipu/distributed/test_dist_pod128_sample.py
@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 '''
-python3.7 -m paddle.distributed.launch \
+python3.8 -m paddle.distributed.launch \
 --devices=128 \
 ipu \
 --hosts=host1,host2 \
@@ -31,7 +31,7 @@
 --vipu-partition=pod128_bert \
 --vipu-server-host=lr17-1-ctrl \
 --update-partition=yes \
-python3.7 test/ipu/disabled/test_dist_pod128_ipu.py
+python3.8 test/ipu/disabled/test_dist_pod128_ipu.py
 '''
 
 import os
diff --git a/test/ipu/distributed/test_dist_sample.py b/test/ipu/distributed/test_dist_sample.py
index 45c5d0d366b9f8..5d221c1b286714 100644
--- a/test/ipu/distributed/test_dist_sample.py
+++ b/test/ipu/distributed/test_dist_sample.py
@@ -13,7 +13,7 @@
 # limitations under the License.
 '''
 Single host:
-python3.7 -m paddle.distributed.launch \
+python3.8 -m paddle.distributed.launch \
 --devices=4 \
 ipu \
 --hosts=localhost \
@@ -29,11 +29,11 @@
 --num-replicas=4 \
 --ipus-per-replica=1 \
 --print-topology=yes \
-python3.7 test/ipu/distributed/test_dist_sample.py
+python3.8 test/ipu/distributed/test_dist_sample.py
 '''
 '''
 Multi hosts:
-python3.7 -m paddle.distributed.launch \
+python3.8 -m paddle.distributed.launch \
 --devices=4 \
 ipu \
 --hosts=host1,host2 \
@@ -49,7 +49,7 @@
 --num-replicas=4 \
 --ipus-per-replica=1 \
 --print-topology=yes \
-python3.7 test/ipu/distributed/test_dist_sample.py
+python3.8 test/ipu/distributed/test_dist_sample.py
 '''
 
 import os