In recent years, China's fitness industry has developed rapidly, which has stimulated people's fitness enthusiasm. Fitness has become a part of many people's lives. People gradually realize the importance of good fitness habits to keep healthy, and their understanding of fitness is gradually deepened. More and more people began to enter the gym to exercise. With the increase of fitness crowd, the demand for professional fitness instructors in the fitness industry has increased, and more and more people want to be fitness instructors.