This study is to analysis and compare the influence of the barrier factors of racket sport, badminton and tennis participation on sport participation among university students of Korea and USA, and the influence of the barrier factors of sport participation on racket sport participation. The subjects of this study were sampled from total 724 peoples, 333 participants of badminton, tennis, pingpong in Korea, 391 participants of badminton, tennis, racketball in USA. The result of reliability check up was here below： Chronbach' α =.60~.85. To analyze materials, multiple regression analysis, path analysis were used as statistic analysis techniques. The conclusion based on above study method and the result of material analysis are here below. First, the university students have ran influence of time and practice's barrier in Korea, the investment and practice's barrier in USA on the frequency and duration of sport participation. Second, in case of badminton, the university students have an influence of time and practice’s barrier on the frequency of sport participation in Korea, practice's barrier in USA on the frequency of sport participation and sport program's experience, Third, in case of tennis, the university students have an influence of environment's barrier on the frequency of sport participation, practice's barrier on the duration of sport participation in Korea, time's barrier on the duration of sport participation, and practice's barrier on the frequency of sport participation in USA.