The culture of two dimension in China which originally came from Japan has gradually become localized and quite popular in recent years. By exploring its current situation，exact reasons of its popularity，its influence and the way it communicates，this essay summarizes the advantage of China’s cyber-culture of two dimension towards advertising and brand building in the background of new media. It shows that the domestic IP of the two dimension is rising and the youth who remain active in certain platforms such as barrage web，Weibo and forums has made the largest part of its audience. These people promote the development of interactive communication mode and network language system. In the meantime，we also find some unhealthy content in this area that needs proper guidance along with specific clean up.