diff --git a/.github/workflows/size-report.yml b/.github/workflows/size-report.yml
new file mode 100644
index 0000000000..a007616323
--- /dev/null
+++ b/.github/workflows/size-report.yml
@@ -0,0 +1,41 @@
+name: 📦 Package Size Report
+
+on:
+  pull_request:
+    types: [opened, synchronize]
+
+jobs:
+  size-report:
+    runs-on: ubuntu-latest
+    env:
+      CI_JOB_NUMBER: 1
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Setup node
+        uses: actions/setup-node@v3
+        with:
+          node-version: '16'
+
+      - name: Setup pnpm
+        uses: pnpm/action-setup@v2
+        with:
+          version: latest
+
+      - name: Cache ~/.pnpm-store
+        uses: actions/cache@v2
+        env:
+          cache-name: cache-pnpm-store
+        with:
+          path: ~/.pnpm-store
+          key: ${{ runner.os }}-publish-${{ env.cache-name }}-${{ hashFiles('**/pnpm-lock.yaml') }}
+          restore-keys: |
+            ${{ runner.os }}-publish-${{ env.cache-name }}-
+            ${{ runner.os }}-publish-
+            ${{ runner.os }}-
+
+      - uses: preactjs/compressed-size-action@v2
+        with:
+          repo-token: ${{ secrets.GITHUB_TOKEN }}
+          pattern: './dist/element-plus/dist/*.{js,mjs,css}'
+          clean-script: 'clean:lockfile'
diff --git a/package.json b/package.json
index a72297b33b..96c8d94ead 100644
--- a/package.json
+++ b/package.json
@@ -24,6 +24,7 @@
     "update:version": "sucrase-node scripts/update-version.ts",
     "clean": "pnpm run clean:dist && pnpm run clean -r --stream",
     "clean:dist": "rimraf dist",
+    "clean:lockfile": "rm -f pnpm-lock.yaml",
     "build": "gulp --require sucrase/register/ts -f build/gulpfile.ts",
     "build:theme": "pnpm run build -C packages/theme-chalk",
     "format": "prettier --write .",