According to the information of China brigade, the trainee police officer. Com, this level is a trainee policeman, that is, a policeman who has been in the police for less than one year and has not yet become a full member. Epaulettes refer to the rank identification marks worn on the shoulders of uniforms, which are composed of bars and stars and reflect the level of personnel. People who wear clothes are mainly soldiers, policemen, railways and so on.