This study will contribute to understanding of the service quality and behavior intention on the participant of national universidad sport game. By introducing path analysis, this study examines the significance and the power degree, which are instrumental as useful references for those in similar industries to pursue the service quality. There were 152 participant of national universiade sport game used as the subjects. It also develops two questionnaires, including service quality and behavior intention for the sport games. The collected data were analyzed by frequency, factor analysis and structural equation model. This research finds that: (1) the service quality have an obvious influence on the behavior intention; (2) the outcome is the most significant factor in influencing the service quality; (3) the recommend others is the most significant factor in influencing the participants' behavior intention.