What is the secret service of Xishan base in Shanxi?

For the city's anti-terrorism and public security secret service, it belongs to the public security department, and all public security sub-bureaus and police stations have secret service brigades, which are an indispensable part of the public security system. Secret service is not a formal institution of public security organs, but is set up by some local public security organs according to their own needs, and its functions are roughly equivalent to special police or riot police. Secret service is the executor of some special duties in the modern military public security team, and its main duty is to fight against terrorism and maintain stability in cities.