Having developed rapidly since entering China in 2008，Barrage now becomes the media across the Internet，movie，television and other platforms.While the Barrage promotes young people gathering for the new group，the communication pattern in the network society has been reconstructed，presenting characteristics of the virtual community.Studying the new media，Barrage，in the aspect of virtual community is an innovation.To establish the theory of the formation path of virtual community，the following four aspects need discussion，“the creation of common interest，interpersonal relationship reinforcement，the emergence of cultural barriers，reappearing of hierarchical structure”.In the perspective of relationship，culture and structure，the article will study the connotation and characteristics of social transformation of media brought by Barrage.