The purpose of this study was to examine the relationship among the participating motivation, Sport Commitment, and psychological happiness for golf participants. For this purpose, 237 subjects who are using indoor driving ranges located in Gyeonggi area was selected by convenience sampling method for collecting research date. For the analysis of collected data, SPSS 18.0 and AMOS 19.0 program were used Structural Equation Modeling was used for examining structural relations among variables, and the Bootstrapping verification for the causal effect. Following results was drawn. First, the participating motivation has a significant effect on the psychological happiness. Second, the Sport Commitment has a significant effect on the psychological happiness. Third, the participating motivation has a effect on the psychological happiness indirectly.