As long as it is security clothing (including secret service clothing) approved by the relevant departments, it can be worn. Special police officers wear black combat uniforms, and armed police soldiers wear camouflage uniforms.

Legal basis:

"People's Police Law of the People's Republic of China" Article 23 People's police must dress in accordance with regulations, wear people's police signs or hold people's police certificates, and keep their police appearance clean and dignified.