The main task of the Public Security Economic Investigation Brigade is to investigate domestic economic cases. It belongs to the specialized investigation department and the public security department. In order to obtain relevant evidence to prove the existence of criminal facts and the seriousness of the crime, it captures criminal suspects.

Its main responsibilities are as follows:

1. Organize, guide and coordinate local public security organs to investigate economic crimes, and participate in or directly investigate major economic crimes.

2 to guide, inspect and supervise the work of economic crimes in this region, analyze and study the trends of economic crimes, and put forward countermeasures to prevent and combat economic crimes.