What's the difference between police, auxiliary police, service and secret service?

They do different jobs. Auxiliary police are generally traffic auxiliary police, helping traffic police to direct traffic and intercept vehicles. The auxiliary police are similar to the Secret Service, but there is a difference in age. Auxiliary police are generally over 40 years old, and secret service is generally under 35 years old, mainly to assist the police special police in carrying out their tasks. In fact, the auxiliary police are ordinary property security guards. . . Police, auxiliary police and secret service are all called auxiliary police. Simply put, they all belong to the security category, because they all sign contracts with security companies and have no law enforcement power. To put it bluntly, it is a temporary worker.