Training is training+training, which enables trainees to master certain skills. Domestic training mainly focuses on skills training, focusing on early behavior. In order to achieve unified scientific and technical norms and standardized operations, modern information processes such as goal planning, knowledge information transmission, skill proficiency drills, homework performance evaluation, and results exchange announcement are called training. Through certain educational and training technical means, trainees can reach the expected level, so as to improve their goals, combat effectiveness, personal ability and work ability.