The purpose of this study was to examine the relationship among achievement goal orientation, passion and self-regulation of Taekwondo Players, 454 samples out 465 samples through convenient sampling method were adopted as a final data. For the purpose of this study, we used a questionnaire and collected data were processed using SPSS 15.0 and AMOS 7.0 program. The results were as follows; First, achievement goal orientation of Takwondo players influenced positively on passion. Second, achievement goal orientation of Takwondo players influenced positively on self-regulation. Third, passion of Takwondo players influenced positively on self-regulation.