According to Baidu Encyclopedia, sports association and fitness website are two different concepts. Sports association refers to non-profit organizations aiming at developing mass sports, including sports associations, sports private non-enterprise units, sports foundations and spontaneous mass sports organizations. Fitness places refer to places invested and built by the government or enterprises and institutions with the main purpose of providing fitness services.

Sports is a complicated social and cultural phenomenon. It is a conscious, purposeful and organized social activity based on physical and intellectual activities and according to the laws of human growth and development, skill formation and function improvement, aiming at promoting people's all-round development, improving physical fitness and overall education level, improving physical fitness and sports ability, improving lifestyle and improving quality of life.