In recent years, with the help of the transformation of competitive sports pattern at home and abroad and the practice of preparing for war, and drawing lessons from the theory and methods of functional training in developed countries such as the United States, a set of all-round and multi-level optimal and effective training system oriented to improving physical exercise ability has been formed.

Practitioners engaged in this kind of work become physical trainers.

The internationally recognized concept is:

Performance training, physical fitness is a common saying in China, which is also a popular name. There is no concept of direct equivalence in English, but it does not prevent the content from including physical fitness and function.

College students, sports schools, sports teams, martial arts schools, coaches of sports teams, employees of children's sports training institutions, and relevant personnel engaged in sports training industry; 2. Physical education teachers in colleges and universities, social sports instructors, and social people who are committed to the professional development of physical fitness coaches. Youth training system coach, college sports entrepreneur, fitness coach, rehabilitation coach, social physical training enthusiast.