The purpose of this study was to investigate competition rules of Korea Taekwondo Association and World Taekwondo Federation from 1962 to the present and to propose an amendment of Taekwondo competition rules. There were four periods in Taekwondo competition rules. Taekwondo competition rules created in 1962 by the Korea Taekwondo Association. In 1973, world Taekwondo Federation was estalished and made a new competition rules. In 1988 seoul Olympic games, Taekwondo was adopted olympic demonstration events. Taekwondo rules were revised for the Games. In the Sydney olympic Games where Taekwondo was adopted regular event, Korea got three gold and one silver medals. But there were something to be desired for the rules of Taekwondo for the competition. Therefore, the amendment proposals Taekwondo competition rules are suggested as follows. 1. The duration of competition is proper for three rounds of two minutes with one minute of rest between rounds. 2. Spectators and T.V watchers will have more fun and attraction through the graduated scoring system(차등득점제) which is requiring high qualified techniques of competitions. 3. The current prohibited acts are divided into Kyong-go(경고) and Gam-jeam(감점).Gyung-go has 15 items and Gam-jeon has 8 items, It is necessary to simplify 23 items for spectator`s better understanding Taekwondo Competition. 4. Actually the contest area doesn`t need to be changed now. But if it is necessary, 9m * 9m contest area is better to change. 5. It is necessary to control weight class according to the law of statistics.