According to the Regulations on Internal Security of Enterprises and Institutions, internal security agencies and security personnel shall perform the following duties:
(a) to carry out public security publicity and education, and implement the internal security system and safety measures of the unit;
(two) according to the needs, check the documents of the personnel entering the unit, and register the goods and vehicles entering and leaving;
(three) to carry out the patrol and inspection of public security within the scope of the unit, and to establish the patrol, inspection and rectification records of security risks;
(four) to maintain the internal security order of the unit, to stop the illegal acts within the unit, to report to the police immediately for the illegal acts, public security cases and suspected criminal cases that are difficult to stop, and to take measures to protect the scene and cooperate with the investigation and handling work of the public security organs;
(five) to supervise the implementation of the construction and maintenance of internal safety facilities.