In other words, the role-playing method is to give trainees the opportunity to practice their roles in training situations, to let trainees experience the specific practice of a certain behavior in real simulated situations, and to help them understand themselves and improve themselves. Usually, role-playing method is suitable for leadership behavior training (management behavior, job training, job performance training, etc.). ), meeting effectiveness training (how to hold a meeting, discuss the meeting, preside over the meeting, etc. ), communication, conflict, cooperation, etc. In addition, it is also used to train some operational abilities, such as salesman business training and negotiation skills training.