Fitness training lasts for about 3 months, and the content of the national fitness coach examination is divided into theory, physical fitness and practical operation. You need to go to the State Sports General Administration or the fitness instructor training base authorized by the State Sports General Administration to take the exam. The main examination contents include the introduction of fitness instructor, basic knowledge of sports human science, basic knowledge of nutrition, basic knowledge of health and physical fitness, basic knowledge of sports technology, principle and formulation of sports plan, sales and customer service, etc. Practical tests mainly include resistance training techniques, stretching techniques and aerobic exercise. The content structure of practical examination is explanation, demonstration and organization. We have set up a national fitness instructor course, and we can take the exam directly after the training.