1, collecting, mastering and reporting intelligence information that affects social and political stability and public security stability;
2. The actual population of the management area;
3, the management of key industries, public places of entertainment and guns, ammunition, explosives, toxic and other dangerous goods;
4, to guide and supervise the internal security work of organs, organizations, enterprises and institutions within the jurisdiction;
5, publicity, launch, organize and guide the masses to carry out safety work;
6. Handling criminal cases with obvious causal relationship and simple case within the jurisdiction, which generally do not require professional investigation means and cross-county investigation, and assisting the investigation department in detecting other cases;
7. Handling public security cases and mediating public security disputes;
8 to participate in the prevention of public security disasters such as fire, traffic, explosion and poisoning;
9, accept the masses alarm, help, to provide services for the masses.
"Procedures of Public Security Organs in Handling Criminal Cases" Article 178 After accepting a case, if a public security organ considers that the criminal facts that need to be investigated for criminal responsibility belong to its own jurisdiction, it shall file a case with the approval of the person in charge of the public security organ at or above the county level; If it is considered that there are no criminal facts, or the criminal facts are obviously minor and need not be investigated for criminal responsibility, or there are other circumstances in which criminal responsibility is not investigated according to law, the case shall not be filed with the approval of the person in charge of the public security organ at or above the county level.
If a complainant decides not to file a case, the public security organ shall make a notice of not filing a case and serve it on the complainant within three days.
If new facts or evidence are found after deciding not to file a case, or if the original facts are found to be wrong and need to be investigated for criminal responsibility, the case shall be filed in time.