Fitness instructors should understand the most closely related exercise system of human body, understand our body structure and engage in fitness scientifically, so as to give nutritional suggestions related to improving health, preventing diseases, improving exercise ability and controlling weight for different fitness customers.

Fitness instructors must also master basic practical skills, correct resistance training methods and techniques, stretching techniques, aerobic training techniques and so on. Fitness coach is to guide fitness customers to exercise safely and effectively, which is the basic duty of fitness coach. Therefore, it is very important for fitness coaches to master reasonable sports techniques.

Fitness instructors need to master the most comprehensive courses in the fitness industry, that is, all-round private education courses, including elementary, intermediate and advanced courses, of which the most elementary course is the most basic course, and the basic course is a compulsory course for fitness instructors. Fitness coach is a professional and technical job, which needs to master professional basic theoretical knowledge.