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, it is called training to enable trainees to reach the expected level and improve their goals, combat effectiveness, personal ability and work ability through modern information processes such as goal planning, knowledge and information transmission, skill proficiency drills, homework performance evaluation and results exchange announcement. Training is a process to teach experienced or inexperienced trainees the thinking cognition, basic knowledge and skills necessary to complete a certain behavior. Based on the theory of cognitive psychology, it is known that the transmission effect of correct cognition in the workplace (the output of internal psychological process) is the fundamental factor that determines the quality of training.