This study aimed to investigate the influence of diverse motivations of sports participation on the involvement degree of sports participation.The 447 Chinese valid youths responses were obtained and exploratory factor analysis was used to analyze the structure of the interrelationships among the data variables.7 factors were derived from the factor analysis and be in terms of a mix components of extrinsic motivation,intrinsic motivation and amotivation.The result suggests that there are a positive significant relationship between extrinsic motivation and sports participation frequency,none significant relationship between intrinsic motivation and sports participation frequency,and there are a negative significant relationship between amotivation and sports participation frequency.