Pre-job training during college is reserved for new recruits. Pre-service training mainly refers to the education and training organized by recruits before they formally join the army, which is generally organized and implemented by the local armed forces department. The main purpose is to guide children to further strengthen their willingness to join the army through education and training, and at the same time lay the foundation for the next step to adapt to the military environment; On the other hand, through this process, individuals with unstable thoughts and unqualified physical conditions are also found in time, and such personnel will be eliminated after screening.