This study attempts to construct a evaluation index system for social responsibility of Media micro-blog and evaluates the social responsibility of typical media micro-blogempiricallybased on data captured and analyzed from micro-blog. The study foundthe reality of media micro-blog’s social responsibility is optimistic in 2015. The level of fulfillment of the four dimensions from high to low is as follows：the production of information，cultural and education，social coordination，social supervision. Thecommunicationactivities of most media micro-blogpresent the obvious characteristics of moderation. At present，homogenization of content is a serious problem. When Media micro-blog shoulder social responsibility，theirawareness of self-protection and avoidanceis quite obvious. To upgrade the overall level of media micro-blog in social responsibility，media organizations，news industry and governmentshould work together.