1. The discipline categories of public security science mainly include criminology, criminology, investigation, public security science, law, police management and so on. , and engaged in the frontier defense forces, the people's police, the armed police force entry-exit management departments, entry-exit frontier inspection departments.

2. Law majors mainly study commercial law, intellectual property law, economic law, civil procedure law, criminal law and international economic law. Jurisprudence, private international law, constitution, logic. Professionals engaged in policy research and formulation are mainly responsible for studying and analyzing social, economic and political issues, and providing policy suggestions and decision support for the government and enterprises.