It is still a relatively stable job. Fitness instructors have free working hours, high salary and, most importantly, strong body, which is a huge invisible wealth. Fitness instructors should have professional knowledge of human anatomy, physiology, medicine, nutrition, sports skills and so on, master certain health knowledge, and understand members' diet, work nature, sleep quality and so on. Develop different training methods for different people. We are a professional fitness training institution. The training courses for fitness instructors are also more comprehensive and more popular than the current courses.