Training websites refer to those websites that provide a lot of training information. At present, there are two main types of training websites: the first category refers to the educational channels of large portals, such as Sina, Sohu, Tencent and Today. The education channels of these large portals not only have very rich and timely updated education and training information, but also have a large number of product information introductions of training institutions. The second category refers to the publicity and enrollment websites of professional agency training institutions, such as Zhong Xu Culture Network, Education Life Network, Training Links, Remote Broadcasting Network, etc. These websites have gathered a large number of training institutions, and the content is mainly the course product introduction and enrollment information of major training institutions.