Website promotion is a new marketing method based on the Internet and supplemented by the interaction between platform and online media. At present, the common communication and promotion methods are mainly realized by purchasing advertisements from major website promotion service providers. Free website promotion includes: SEO optimizes the content or structure of the website to improve the ranking of the website in search engines, publishes information on forums, Weibo, blogs, WeChat, QQ space and other platforms, and publishes external links of the website on other popular platforms.