BBS (Bulletin Board System) forum is a social platform or network forum based on the Internet. It provides a platform for users to publish and browse messages. BBS forums are usually divided into different sections, and each section has a specific topic and discussion content. Users can post their own posts on these boards to communicate and discuss with other users. BBS forum also provides some functions, such as private message, personal search, etc. , to facilitate communication and information search between users. BBS forum is one of the most common social forms in the early days of Internet development, and it has been popular since 1980s. It provides an open platform for users to share their views and knowledge and participate in community topics. BBS forum is still very active in some specific fields, such as science and technology, games, academics and so on. Although social media and Weibo have gradually become popular in recent years, BBS forum is still a popular way of social communication and information exchange.