Taekwondo has an excellent performance on the international taekwondo competitions in Taiwan, therefore, this study focuses on the sports ethics and coach leadership of taekwondo. The methodology what I used is semi-structured interview and the result is that the external skill is important as well as internal value on the athletic sports, and the coach leadership has a profound impact on the development of professional athletes. It is worth paying attention to the process of sports training on guiding athletes act positively and having the ability to reflect, not only at the sports performance but also at the value judgment.