Abstract: Since the promulgation of the Technical Grading System of Social Sports Instructors in 1993, China's social sports instructor system has experienced the development process of the 2001 National Professional Standards of Social Sports instructors and the 2011 Social Sports Instructor Management Method. The paper conducts an integrated survey of the changes and development of the system and explores the deep motivations that have promoted the changes and development of China's social sports instructors.

Key words: social sports instructors, sports system, national fitness program, sports legal construction, development of motivation