Supervision of important police deployment, measures and activities of the organization and implementation; supervision of major social activities of the maintenance of order and key areas of the organization and implementation of the management of public security; supervision of public security emergencies; supervision of criminal cases, public security cases of filing, detection, investigation, punishment and the implementation of coercive measures; supervision of public security, traffic, household administration, immigration and other public security administration; the implementation of laws and regulations; supervision of police officers to use weapons, police equipment, as well as police vehicles, police signs; supervision of citizens to report, request assistance, and the handling of complaints and appeals. Supervision of the implementation of public security, traffic, household administration, immigration and other public security administration laws and regulations; supervision of the use of weapons and police equipment, as well as police vehicles and police markings by police officers; supervision of the handling of citizens' reports to the police, requests for assistance and complaints; supervision of civilized duty, civilized law-enforcement and observance of the rules of discipline by police officers; supervision of the organization and management of the police and police safeguards; and supervision of the public security organs and their people's police officers in the performance of their duties and responsibilities, the exercise of their powers and observance of other conditions of discipline. Supervision of the public security organs and the people's police to perform their duties, exercise their powers and observe discipline.