According to Baidu Encyclopedia, the director of public security will be rotated after serving for a certain period of time, but the specific time varies from place to place and from department to department. Generally, it does not exceed 3-5 years, and the post does not exceed 2 sessions.

Generally, the director of the provincial public security department awarded the rank of first-class police commissioner, and some were deputy commissioner general, and the corresponding director of the provincial security department awarded the rank of first-class police commissioner.