With the rapid development of the Internet, the application of the Internet is also spreading quickly and has been recognized and approved by the public. Online marketing is a marketing model that has gradually flourished in recent years with the popularization of the network. Among the various types of online marketing, Baidu search engine marketing has truly gained the favor of enterprises. The following will discuss the Baidu promotion for Changchun websites and Baidu search rankings, allowing businesses or individuals to benefit from their websites.