Urban risk prevention and control is an important component of urban social governance. From the perspective of the disaster sociology and disaster prevention system development trend in the world，the organization coping is an important mechanism to resist disasters. As the risk prevention and control subject，community residents is as effective as the administrative organization and security company，“mutual aid” can make up the function failure of public aid effectively.The research results of Yanji City，Jilin Province and Rush an City，Shandong Province shows that the government as the main body of urban emergency management system has been established，also the government emergency management plan is complete，the emergency technical means and administrative system is more perfect as well. The goal of reform and innovation in the future is to create a life oriented community disaster prevention system to improve the community disaster prevention ability vigorously and cultivate social organization of disaster prevention actively. Combining the government’s publicated，community and social organization’s mutual aid is the way of safe and livable urban environment construction.