The researcher of this paper is a game announcer in the Taipei 2009 Summer Deaflympics football competition. The researcher was shocked because there was sport violence that happened in the competition, and thought it should be eliminated. Therefore, the researcher started to examine this topic using a qualitative method for this study. It interviews the referees and staff of the Taipei 2009 Summer Deaflympics football competition. Through the researcher's observations and interview results, it generalizes the factors of sport violence that happened in the Taipei 2009 Summer Deaflympics football competition and the ways to prevent it from happening. It also investigates and analyzes the thoughts of the people who were interviewed. Hopefully this paper can help raise the importance of this issue to the related governments or departments and start to improve the issue of sport violence. The best situation or solution is that violence can be decreased or even eliminated in sports altogether.