As of June 2018, the number of Internet users in China reached 802 million. The Internet has brought great convenience to people's work, study and life, but also with some negative effects, such as cyber violence, pornographic and addiction. Among these negative problems, Internet addiction is most concerned. Previous studies have suggested that individual characteristics (personality, self, needs, emotion, thinking), environmental characteristics (schools, families, peers) and network use characteristics (motivation and experience) can affect ...