1, professional fitness knowledge is required. Theoretically, it is necessary to have: sports biomechanics, human anatomy, physiology, psychology, nutrition, health and fitness, etc.

2. In terms of skills, you need to have: resistance training, aerobic exercise and equipment use, stretching exercise, physical training, and popular skills such as extreme fat loss, rehabilitation training, functional training, advanced bodybuilding, Pilates, sales skills, and maternal rehabilitation.

3. There must also be a certified fitness instructor.