Mass disturbances in the field of city traffic happened more frequently, it brings bad influence on the city’s production, life and safety． Mainly based on game theory, emotional contagion, taking Chongqing 11.3 taxi strike as an example, the thesis analyzes game process of taxi driver, taxi companies, government． It shows that deep-seated reasons are interests mechanism which is not smooth． We found that city governments are obviously insufficient in the awareness and ability of responding to the mass disturbances of city traffic． Therefore, In order to solve the problem, we should to improve interests appeals and expression system, flow information channels, build regulatory labor relations, strengthen government’ service function, perfect industry organization of taxi driver．