Abstract: The social control in cities is becoming more difficult b ecause of com pacts from the countryside and from the cities after entering WTO. On the social methods, the new social control style constituted of the policing patrol, the c ommunity policing and the accident handling is being built. Certainly, there are still many issues to be studied, such as understanding on the policing patrol d eeply, scientific patrol plan, combining the traffic police with the patrol poli ce, the knowledge and application o...