1, science and engineering students must choose physics and chemistry.

2. The major of public security science must choose politics, and the major of public security technology should choose a subject in physics, chemistry and biology.

3. What needs to be explained separately is the technical investigation major. The police dog technology major has technical majors, but it is classified as public security science, not public security technology. Therefore, those who apply for these two majors must also choose politics.

Brief introduction of investigation specialty:

Investigation major requires students to have firm and correct political orientation, strict organizational discipline concept and good professional ethics, systematically master the basic theory, knowledge and skills of investigation, and have strong practical ability and innovation ability; In addition to the knowledge of public courses, graduates also need to master the basic theories and abilities of law and investigation, and be familiar with investigation methods and skills.

Master the basic methods of investigation theory research, have certain scientific research and practical work ability, and be able to engage in investigation, inspection, criminal law enforcement, professional teaching and scientific research in public security, procuratorial work, national security, military security, customs, industry and commerce, taxation, financial institutions, supervision, auditing, universities and scientific research institutions.