On August 12，2015，a big explosion accident happened in tianjin binhai new area，after the investigation of the state council，the “August 12” warehouse fire explosion accident of ruihai company inTianjin port was thought to be a serious production safety accident. This study took August 12 explosion accident of tianjin binhai new area for instance，using media framework analysis，analytical-descriptive method，to analyze Weibo，WeChat this two big social networking platform，and through sampling，sorting the data，to show the media framework of social network，find the positive and negative emotions that Internet users give to the government，summarize the government image transmission condition in social network，and to try to put forward some reasonable suggestion about the governance.