First, the coach will communicate with you whether it is for self-defense or hobbies, then he will let you try the course for about half an hour to check your physical fitness and heart rate, and then arrange the future courses according to your own acceptance. If you are in poor health, he will take you to practice warm-up actions such as sprinting, skipping and striding on the treadmill before class, and teach you some boxing actions after 20 minutes, and he will practice sparring with you.