At the moment Chinese people say good-bye to the Spring Festival，Just before the beginning of the NPC &CPPCC，A environment protection documentary which narrated by Chai Jing published by the Chai Jing Kanjian in Weibo. At the same time，the Yuku and People Online put it on line for the linkage to the Weibo. In the follow days，this documentary leading a hot public opinion on Weibo，and it trans-pass to the others social media such as Wechat. In the process of this documentary first publish，what is the communication function and social responsibility of Weibo public opinion leader？The study focus on the mobilization roles of public opinion leader，analysis the promoter，responsor and reactor in the environment protection mobilization.