BBS is an electronic information service system. It provides users with a public whiteboard on which each user can post information or make comments. In the early days, BBS was managed by educational institutions or research institutions. Now, most websites have established their own BBS system, which allows netizens to make more friends and express more ideas through the network. At present, BBS is very common in China, which can be said to be numerous. Among them, BBS can be roughly divided into five categories:
Campus forum has developed rapidly since CERNET established it. At present, many universities have BBS, almost all over the country. Tsinghua and Peking University have established their own BBS systems, and Shui Mu Tsinghua in Tsinghua is very popular with students and netizens. Most BBS are established by the network centers of various schools, and there are also private BBS.