diff --git a/packages/vant-markdown-loader/README.md b/packages/vant-markdown-loader/README.md
new file mode 100644
index 000000000..5536263c3
--- /dev/null
+++ b/packages/vant-markdown-loader/README.md
@@ -0,0 +1,30 @@
+# vant-markdown-loader
+
+Simple and fast vue markdown loader, transform markdown to vue component.
+
+## Install
+
+### NPM
+
+```shell
+npm i @vant/markdown-loader -S
+```
+
+### YARN
+
+```shell
+yarn add @vant/markdown-loader
+```
+
+## Options
+
+- `enableMetaData`: Default `false`. Whether to use [front-matter](https://github.com/jxson/front-matter) to extract markdown meta data
+
+- `linkOpen`: Default `true`. Whether to add target="_blank" to all links
+
+- `wrapper(html, fm)`: Format the returned content using a custom function
+    - `html`: The result of [markdown-it](https://github.com/markdown-it/markdown-it)'s render
+    - `fm`: See [fm(string)](https://github.com/jxson/front-matter#fmstring). If `enableMetaData` option is `false`, the value is `undefined`. 
+        - `attributes`
+        - `body`
+        - `frontmatter`
diff --git a/packages/vant-markdown-loader/package.json b/packages/vant-markdown-loader/package.json
new file mode 100644
index 000000000..5d1bb202d
--- /dev/null
+++ b/packages/vant-markdown-loader/package.json
@@ -0,0 +1,20 @@
+{
+  "name": "@vant/markdown-loader",
+  "version": "4.1.1",
+  "description": "Simple and fast vue markdown loader",
+  "main": "src/index.js",
+  "publishConfig": {
+    "access": "public",
+    "registry": "https://registry.npmjs.org/"
+  },
+  "license": "MIT",
+  "repository": "https://github.com/youzan/vant/tree/dev/packages/vant-markdown-loader",
+  "dependencies": {
+    "front-matter": "^4.0.2",
+    "highlight.js": "^10.7.1",
+    "loader-utils": "^2.0.0",
+    "markdown-it": "^12.0.4",
+    "markdown-it-anchor": "^7.1.0",
+    "transliteration": "^2.2.0"
+  }
+}
diff --git a/packages/vant-markdown-loader/src/card-wrapper.js b/packages/vant-markdown-loader/src/card-wrapper.js
new file mode 100644
index 000000000..6216cdef9
--- /dev/null
+++ b/packages/vant-markdown-loader/src/card-wrapper.js
@@ -0,0 +1,16 @@
+module.exports = function cardWrapper(html) {
+  const group = html
+    .replace(/<h3/g, ':::<h3')
+    .replace(/<h2/g, ':::<h2')
+    .split(':::');
+
+  return group
+    .map(fragment => {
+      if (fragment.indexOf('<h3') !== -1) {
+        return `<div class="card">${fragment}</div>`;
+      }
+
+      return fragment;
+    })
+    .join('');
+};
diff --git a/packages/vant-markdown-loader/src/extract-demo.js b/packages/vant-markdown-loader/src/extract-demo.js
new file mode 100644
index 000000000..384d36963
--- /dev/null
+++ b/packages/vant-markdown-loader/src/extract-demo.js
@@ -0,0 +1,42 @@
+const path = require('path');
+const fs = require('fs');
+const os = require('os');
+const parser = require('./md-parser');
+
+function hyphenate(str) {
+  return str.replace(/\B([A-Z])/g, '-$1').toLowerCase();
+}
+
+module.exports = function extraDemo(content) {
+  const isWin = /^win/.test(os.platform());
+  const markdownDir = path.dirname(this.resourcePath);
+  const demoLinks = [];
+
+  content = content.replace(
+    /<demo-code([\s\S]*?)>([\s\S]*?)<\/demo-code>/g,
+    function (_, attrs, link) {
+      link = link.trim(); // 去换行符
+      const tag = 'demo-code-' + hyphenate(path.basename(link, '.vue'));
+      let fullLink;
+      if (isWin) {
+        fullLink = path.posix.join(...markdownDir.split(path.sep), link);
+      } else {
+        fullLink = path.join(markdownDir, link);
+      }
+      demoLinks.indexOf(fullLink) === -1 && demoLinks.push(fullLink);
+      const demoContent = fs.readFileSync(fullLink, { encoding: 'utf8' });
+      const demoParseredContent = parser.render(
+        '```html\n' + demoContent + '\n```'
+      );
+      return `
+        <demo-playground${attrs}
+        origin-code="${escape(demoContent)}"
+        code-snippet="${escape(demoParseredContent)}">
+          <${tag} />
+        </demo-playground>
+      `;
+    }
+  );
+
+  return [content, demoLinks];
+};
diff --git a/packages/vant-markdown-loader/src/highlight.js b/packages/vant-markdown-loader/src/highlight.js
new file mode 100644
index 000000000..c5fed8c16
--- /dev/null
+++ b/packages/vant-markdown-loader/src/highlight.js
@@ -0,0 +1,10 @@
+const hljs = require('highlight.js');
+
+module.exports = function highlight(str, lang) {
+  if (lang && hljs.getLanguage(lang)) {
+    // https://github.com/highlightjs/highlight.js/issues/2277
+    return hljs.highlight(str, { language: lang, ignoreIllegals: true }).value;
+  }
+
+  return '';
+};
diff --git a/packages/vant-markdown-loader/src/index.js b/packages/vant-markdown-loader/src/index.js
new file mode 100644
index 000000000..ece432bcf
--- /dev/null
+++ b/packages/vant-markdown-loader/src/index.js
@@ -0,0 +1,117 @@
+const path = require('path');
+const loaderUtils = require('loader-utils');
+const frontMatter = require('front-matter');
+const parser = require('./md-parser');
+const linkOpen = require('./link-open');
+const cardWrapper = require('./card-wrapper');
+const extractDemo = require('./extract-demo');
+const sideEffectTags = require('./side-effect-tags');
+
+function camelize(str) {
+  return `-${str}`.replace(/-(\w)/g, (_, c) => (c ? c.toUpperCase() : ''));
+}
+
+const sharedVueOptions = `mounted() {
+    const anchors = [].slice.call(this.$el.querySelectorAll('h2, h3, h4, h5'));
+
+    anchors.forEach(anchor => {
+      anchor.addEventListener('click', this.scrollToAnchor);
+    });
+  },
+
+  methods: {
+    scrollToAnchor(event) {
+      if (event.target.id) {
+        this.$router.push({
+          name: this.$route.name,
+          hash: '#' + event.target.id
+        })
+      }
+    }
+  },
+`;
+
+function wrapper(content) {
+  let demoLinks;
+  [content, demoLinks] = extractDemo.call(this, content);
+  content = cardWrapper(content);
+
+  // 不包含 demo-code 的 md 文件，直接使绑定 HTML
+  if (demoLinks.length === 0) {
+    content = escape(content);
+
+    return `
+<script>
+import { h } from 'vue';
+
+const content = unescape(\`${content}\`);
+
+export default {
+${sharedVueOptions}
+
+  render() {
+    return h('section', { innerHTML: content });
+  }
+};
+</script>
+`;
+  }
+
+  // 包含 demo-code 的 md 文件，需要走模版渲染
+  let styles;
+  [content, styles] = sideEffectTags(content);
+
+  return `
+<template>
+  <section v-once>
+    ${content}
+  </section>
+</template>
+
+<script>
+${demoLinks
+  .map((link) => {
+    return `import DemoCode${camelize(
+      path.basename(link, '.vue')
+    )} from '${link}';`;
+  })
+  .join('\n')}
+
+export default {
+  components: {
+    ${demoLinks
+      .map((link) => `DemoCode${camelize(path.basename(link, '.vue'))}`)
+      .join(',')}
+  },
+
+${sharedVueOptions}
+};
+</script>
+
+${styles.join('\n')}
+`;
+}
+
+module.exports = function (source) {
+  let options = loaderUtils.getOptions(this) || {};
+  this.cacheable && this.cacheable();
+
+  options = {
+    wrapper,
+    linkOpen: true,
+    ...options,
+  };
+
+  let fm;
+
+  if (options.enableMetaData) {
+    fm = frontMatter(source);
+    source = fm.body;
+  }
+
+  if (options.linkOpen) {
+    linkOpen(parser);
+  }
+
+  return options.wrapper.call(this, parser.render(source), fm);
+};
diff --git a/packages/vant-markdown-loader/src/link-open.js b/packages/vant-markdown-loader/src/link-open.js
new file mode 100644
index 000000000..0e513226a
--- /dev/null
+++ b/packages/vant-markdown-loader/src/link-open.js
@@ -0,0 +1,18 @@
+// add target="_blank" to all links
+module.exports = function linkOpen(md) {
+  const defaultRender =
+    md.renderer.rules.link_open ||
+    function(tokens, idx, options, env, self) {
+      return self.renderToken(tokens, idx, options);
+    };
+
+  md.renderer.rules.link_open = function(tokens, idx, options, env, self) {
+    const aIndex = tokens[idx].attrIndex('target');
+
+    if (aIndex < 0) {
+      tokens[idx].attrPush(['target', '_blank']); // add new attribute
+    }
+
+    return defaultRender(tokens, idx, options, env, self);
+  };
+};
diff --git a/packages/vant-markdown-loader/src/md-parser.js b/packages/vant-markdown-loader/src/md-parser.js
new file mode 100644
index 000000000..3940d886f
--- /dev/null
+++ b/packages/vant-markdown-loader/src/md-parser.js
@@ -0,0 +1,14 @@
+const MarkdownIt = require('markdown-it');
+const markdownItAnchor = require('markdown-it-anchor');
+const highlight = require('./highlight');
+const { slugify } = require('transliteration');
+
+const parser = new MarkdownIt({
+  html: true,
+  highlight,
+}).use(markdownItAnchor, {
+  level: 2,
+  slugify,
+});
+
+module.exports = parser;
diff --git a/packages/vant-markdown-loader/src/side-effect-tags.js b/packages/vant-markdown-loader/src/side-effect-tags.js
new file mode 100644
index 000000000..a7f99fd5b
--- /dev/null
+++ b/packages/vant-markdown-loader/src/side-effect-tags.js
@@ -0,0 +1,14 @@
+module.exports = function sideEffectTags(content) {
+  const styles = [];
+
+  // 从模版中移除 script 标签
+  content = content.replace(/<script[\s\S]*?>[\s\S]*?<\/script>/g, '');
+
+  // 从模版中移除 style 标签，并收集到 styles 数组中，以转移为 .vue 文件 的 style 标签
+  content = content.replace(/<style[\s\S]*?>([\s\S]*?)<\/style>/g, (_, css) => {
+    styles.push(`<style scoped>${css}</style>`);
+    return '';
+  });
+
+  return [content, styles];
+};
diff --git a/packages/vant-markdown-loader/yarn.lock b/packages/vant-markdown-loader/yarn.lock
new file mode 100644
index 000000000..c318b4812
--- /dev/null
+++ b/packages/vant-markdown-loader/yarn.lock
@@ -0,0 +1,227 @@
+# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
+# yarn lockfile v1
+
+
+ansi-regex@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.npm.taobao.org/ansi-regex/download/ansi-regex-5.0.0.tgz#388539f55179bf39339c81af30a654d69f87cb75"
+  integrity sha1-OIU59VF5vzkznIGvMKZU1p+Hy3U=
+
+ansi-styles@^4.0.0:
+  version "4.3.0"
+  resolved "https://registry.npm.taobao.org/ansi-styles/download/ansi-styles-4.3.0.tgz#edd803628ae71c04c85ae7a0906edad34b648937"
+  integrity sha1-7dgDYornHATIWuegkG7a00tkiTc=
+  dependencies:
+    color-convert "^2.0.1"
+
+argparse@^1.0.7:
+  version "1.0.10"
+  resolved "https://registry.npm.taobao.org/argparse/download/argparse-1.0.10.tgz#bcd6791ea5ae09725e17e5ad988134cd40b3d911"
+  integrity sha1-vNZ5HqWuCXJeF+WtmIE0zUCz2RE=
+  dependencies:
+    sprintf-js "~1.0.2"
+
+argparse@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.npm.taobao.org/argparse/download/argparse-2.0.1.tgz#246f50f3ca78a3240f6c997e8a9bd1eac49e4b38"
+  integrity sha1-JG9Q88p4oyQPbJl+ipvR6sSeSzg=
+
+big.js@^5.2.2:
+  version "5.2.2"
+  resolved "https://registry.npm.taobao.org/big.js/download/big.js-5.2.2.tgz#65f0af382f578bcdc742bd9c281e9cb2d7768328"
+  integrity sha1-ZfCvOC9Xi83HQr2cKB6cstd2gyg=
+
+cliui@^7.0.2:
+  version "7.0.4"
+  resolved "https://registry.npm.taobao.org/cliui/download/cliui-7.0.4.tgz?cache=0&sync_timestamp=1604880333411&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fcliui%2Fdownload%2Fcliui-7.0.4.tgz#a0265ee655476fc807aea9df3df8df7783808b4f"
+  integrity sha1-oCZe5lVHb8gHrqnfPfjfd4OAi08=
+  dependencies:
+    string-width "^4.2.0"
+    strip-ansi "^6.0.0"
+    wrap-ansi "^7.0.0"
+
+color-convert@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.npm.taobao.org/color-convert/download/color-convert-2.0.1.tgz#72d3a68d598c9bdb3af2ad1e84f21d896abd4de3"
+  integrity sha1-ctOmjVmMm9s68q0ehPIdiWq9TeM=
+  dependencies:
+    color-name "~1.1.4"
+
+color-name@~1.1.4:
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+  resolved "https://registry.npm.taobao.org/color-name/download/color-name-1.1.4.tgz#c2a09a87acbde69543de6f63fa3995c826c536a2"
+  integrity sha1-wqCah6y95pVD3m9j+jmVyCbFNqI=
+
+emoji-regex@^8.0.0:
+  version "8.0.0"
+  resolved "https://registry.npm.taobao.org/emoji-regex/download/emoji-regex-8.0.0.tgz#e818fd69ce5ccfcb404594f842963bf53164cc37"
+  integrity sha1-6Bj9ac5cz8tARZT4QpY79TFkzDc=
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+  resolved "https://registry.npm.taobao.org/emojis-list/download/emojis-list-3.0.0.tgz#5570662046ad29e2e916e71aae260abdff4f6a78"
+  integrity sha1-VXBmIEatKeLpFucariYKvf9Pang=
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+  version "2.1.0"
+  resolved "https://registry.npm.taobao.org/entities/download/entities-2.1.0.tgz?cache=0&sync_timestamp=1611535562200&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fentities%2Fdownload%2Fentities-2.1.0.tgz#992d3129cf7df6870b96c57858c249a120f8b8b5"
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+  resolved "https://registry.npm.taobao.org/escalade/download/escalade-3.1.1.tgz?cache=0&sync_timestamp=1602567437752&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fescalade%2Fdownload%2Fescalade-3.1.1.tgz#d8cfdc7000965c5a0174b4a82eaa5c0552742e40"
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+  resolved "https://registry.npm.taobao.org/get-caller-file/download/get-caller-file-2.0.5.tgz#4f94412a82db32f36e3b0b9741f8a97feb031f7e"
+  integrity sha1-T5RBKoLbMvNuOwuXQfipf+sDH34=
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+  resolved "https://registry.npm.taobao.org/highlight.js/download/highlight.js-10.7.1.tgz#a8ec4152db24ea630c90927d6cae2a45f8ecb955"
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+  resolved "https://registry.npm.taobao.org/json5/download/json5-2.1.3.tgz?cache=0&sync_timestamp=1586045666090&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fjson5%2Fdownload%2Fjson5-2.1.3.tgz#c9b0f7fa9233bfe5807fe66fcf3a5617ed597d43"
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+  resolved "https://registry.npm.taobao.org/loader-utils/download/loader-utils-2.0.0.tgz#e4cace5b816d425a166b5f097e10cd12b36064b0"
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+    emojis-list "^3.0.0"
+    json5 "^2.1.2"
+
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+  version "7.1.0"
+  resolved "https://registry.npm.taobao.org/markdown-it-anchor/download/markdown-it-anchor-7.1.0.tgz#30fb21497bf59e83ff4d1ddc052d821962e2489e"
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+  resolved "https://registry.npm.taobao.org/markdown-it/download/markdown-it-12.0.4.tgz#eec8247d296327eac3ba9746bdeec9cfcc751e33"
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+  integrity sha1-jGStX9MNqxyXbiNE/+f3kqam30I=
+
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+  version "1.0.3"
+  resolved "https://registry.npm.taobao.org/sprintf-js/download/sprintf-js-1.0.3.tgz#04e6926f662895354f3dd015203633b857297e2c"
+  integrity sha1-BOaSb2YolTVPPdAVIDYzuFcpfiw=
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+  integrity sha1-lSGCxGzHssMT0VluYjmSvRY7crU=
+  dependencies:
+    emoji-regex "^8.0.0"
+    is-fullwidth-code-point "^3.0.0"
+    strip-ansi "^6.0.0"
+
+strip-ansi@^6.0.0:
+  version "6.0.0"
+  resolved "https://registry.npm.taobao.org/strip-ansi/download/strip-ansi-6.0.0.tgz?cache=0&sync_timestamp=1573280577145&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fstrip-ansi%2Fdownload%2Fstrip-ansi-6.0.0.tgz#0b1571dd7669ccd4f3e06e14ef1eed26225ae532"
+  integrity sha1-CxVx3XZpzNTz4G4U7x7tJiJa5TI=
+  dependencies:
+    ansi-regex "^5.0.0"
+
+transliteration@^2.2.0:
+  version "2.2.0"
+  resolved "https://registry.npm.taobao.org/transliteration/download/transliteration-2.2.0.tgz#e6333cc74b25ef4465bc27086ed8465c9a19211d"
+  integrity sha1-5jM8x0sl70RlvCcIbthGXJoZIR0=
+  dependencies:
+    yargs "^16.1.0"
+
+uc.micro@^1.0.1, uc.micro@^1.0.5:
+  version "1.0.6"
+  resolved "https://registry.npm.taobao.org/uc.micro/download/uc.micro-1.0.6.tgz#9c411a802a409a91fc6cf74081baba34b24499ac"
+  integrity sha1-nEEagCpAmpH8bPdAgbq6NLJEmaw=
+
+wrap-ansi@^7.0.0:
+  version "7.0.0"
+  resolved "https://registry.npm.taobao.org/wrap-ansi/download/wrap-ansi-7.0.0.tgz#67e145cff510a6a6984bdf1152911d69d2eb9e43"
+  integrity sha1-Z+FFz/UQpqaYS98RUpEdadLrnkM=
+  dependencies:
+    ansi-styles "^4.0.0"
+    string-width "^4.1.0"
+    strip-ansi "^6.0.0"
+
+y18n@^5.0.5:
+  version "5.0.5"
+  resolved "https://registry.npm.taobao.org/y18n/download/y18n-5.0.5.tgz?cache=0&sync_timestamp=1609798602895&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fy18n%2Fdownload%2Fy18n-5.0.5.tgz#8769ec08d03b1ea2df2500acef561743bbb9ab18"
+  integrity sha1-h2nsCNA7HqLfJQCs71YXQ7u5qxg=
+
+yargs-parser@^20.2.2:
+  version "20.2.7"
+  resolved "https://registry.npm.taobao.org/yargs-parser/download/yargs-parser-20.2.7.tgz?cache=0&sync_timestamp=1615404893185&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fyargs-parser%2Fdownload%2Fyargs-parser-20.2.7.tgz#61df85c113edfb5a7a4e36eb8aa60ef423cbc90a"
+  integrity sha1-Yd+FwRPt+1p6TjbriqYO9CPLyQo=
+
+yargs@^16.1.0:
+  version "16.2.0"
+  resolved "https://registry.npm.taobao.org/yargs/download/yargs-16.2.0.tgz?cache=0&sync_timestamp=1617506941953&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fyargs%2Fdownload%2Fyargs-16.2.0.tgz#1c82bf0f6b6a66eafce7ef30e376f49a12477f66"
+  integrity sha1-HIK/D2tqZur85+8w43b0mhJHf2Y=
+  dependencies:
+    cliui "^7.0.2"
+    escalade "^3.1.1"
+    get-caller-file "^2.0.5"
+    require-directory "^2.1.1"
+    string-width "^4.2.0"
+    y18n "^5.0.5"
+    yargs-parser "^20.2.2"