The purpose of this study was to investigate the causes of sports injuries, specifically targeting the National Chung Cheng Cup Kendo Tournament contestants. The survey takes both male and female contestants from the Social Division into account. (137 contestants from male division, 51 contestants from female division). Through analysis via descriptive statistics, the results were found that: 1. For higher level divisions, injuries are mostly incurred during competitions. (53.2%) Injuries are mainly caused during the attack against each other and due to lack of warm up. The injured zones are predominantly around the neck area. Various types of sprained parts of the body tend to happen as a result. Injuries are usually caused by the attacking motion from the hand section. 2. For the preliminary divisions, injuries are mostly incurred during training. (74.7%) The injury occurred mostly due to contestants' poor techniques and their lack of abilities to defend themselves. Consequently, elbow is prone to injuries. Other injuries are usually caused by the attacking motion from the hand section. 3. Injured contestants usually choose the option of self-healing. Conclusions and suggestions: 1. For higher level divisions, contestants should take on a more active attack and counter-attack strategy while avoiding mutual attack approach; proper warm-up before each practice is recommended in order to minimize injuries. 2. For preliminary divisions, proper protection gears, such as knee pads, wrist and elbow bands should be worn during trainings. To minimize injuries during a Kendo match, proper practices of both defense and counter -attack techniques should be advised. 3. Proper protection gears should be worn either during trainings or competitions. 4. When injured, seeking trainner or doctors is strongly suggested; it is to avoid injuries from becoming more serious which might influence the overall performance. 5. According to the result of this study, the sports injuries in preliminary divisions are similar to college divisions. However, the injuries in higher level divisions are different from the college divisions. Therefore, researchers should conduct a more detailed analysis on the different sports injuries in both higher level divisions and the national team. Also, they can propose new approaches or strategies to improve the performances of the contestants.