The main learning contents of fitness instructors are arranged in a step-by-step and spiral way, and the courses are divided into three levels: the first level is professional basic courses, such as sports anatomy, physiology, nutrition, fitness, resistance training techniques, cardiopulmonary resuscitation first aid courses, etc. The second level is professional core courses, which are mainly courses with strong functionality, good products and easy development and performance in the gym, such as comprehensive fighting, precise stretching, rapid fat reduction, maternal recovery and so on. The third level is professional development courses, which are mainly based on a certain foundation, or developed to a higher level, fitness management and entrepreneurship, such as fitness coach career planning, public speaking, sports rehabilitation, big equipment Pilates, private education marketing, youth physical training and so on.