diff --git a/.github/workflows/build_test.yaml b/.github/workflows/build_test.yaml
new file mode 100644
index 0000000000..264a812d35
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+++ b/.github/workflows/build_test.yaml
@@ -0,0 +1,39 @@
+# This is a basic workflow to help you get started with Actions
+
+name: CI
+
+# Controls when the workflow will run
+on:
+  # Triggers the workflow on push or pull request events but only for the 3.9 branch
+  push:
+    branches: [ 3.9, ci ]
+  pull_request:
+    branches: [ 3.9 ]
+
+  # Allows you to run this workflow manually from the Actions tab
+  workflow_dispatch:
+
+# A workflow run is made up of one or more jobs that can run sequentially or in parallel
+jobs:
+  build:
+    # The type of runner that the job will run on
+    runs-on: ubuntu-latest
+
+    # Steps represent a sequence of tasks that will be executed as part of the job
+    steps:
+      # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
+      - uses: actions/checkout@v2
+        with:
+          path: python-docs-zh-tw
+      
+      # Checks-out cpython
+      - uses: actions/checkout@v2
+        with:
+          repository: python/cpython
+          ref: 3.9
+          path: cpython
+
+      # Generate documents
+      - name: Run a one-line script
+        run: cd python-docs-zh-tw && make
+