Abstract: Under the background of social transition, the frequent occurrence of mass events caused by environmental pollution has become a key factor affecting social stability. How to effectively and properly dispose of these events has become an important proposition. Based on the Value-added theory of Smelser and combined with the actual situation of mass events caused by environmental pollution, this paper analyzes the mechanism of mass events caused by environmental pollution and puts forward governance path, in order to promote the resolution of mass events caused by environmental pollution, and provide references for other conflict governance.