The purpose of this study was to verify that coach’s leadership types understood man and woman high school taekwondo
player in domestic had an effect on moral value reasoning in sports situation. This formed the basis of coaching improvement
plan to establish correct taekwondo moral as searching casual relationship between coach’s leadership type and player’s moral
value reasoning. In order to achieve this research purpose, the present research carried out a questionnaire with the target of a
total of 291 man and woman high school taekwondo player in capital area, and came to followed conclusion by using a statistical
analysis of collected data. First, coach’s leadership types understood man and woman high school taekwondo player in capital
area had the highest average value of positive feedback behavior and training and instruction behavior. Also level of moral value
reasoning in sports situation had average value of sense of justice, honesty, and sense of responsibility in order of height.
Second, coach’s leadership type that had an effect on moral value reasoning of high school taekwondo player in sports situation
was democratic behavior. Concretely, the higher democratic behavior, the lower player’s sense of responsibility and sense of
justice.