The main object of this study was to investigate the relationship between leadership style, of coaches with selfdetermination motivation and burnout of 140 male karate elite in Iran. The study sample was statistically equal to statistical population. The questionnaire included three scales measuring coaching style in sport [CSS], selfdetermination motivation questionnaire [SMS], and burnout analysis of questionnaire [ABQ]. In order to organize the validity, we used the opinions of specialists of confirmatory factor analysis and reliability of Cronbach α. In this case, we used descriptive statistics, multivariate regression, Kolmogorov_ Smirnove test, Leven test, and bivariate correlation with the use of LISREL [version 8.52] and SPSS [version 19] software. The research findings showed that coaching style of coaches was significantly related to self-determination motivation and burnout of the players and also there is a meaningful relationship between burnout and instrictic motivation and a motivation and the selfdetermination itself. But There isa reverse relationship between authoritative and self-determination motivation Finally, it can be said that coaching style in sport is one of the most significant reasons for development of teams, so preparing appropriate situation should be a priority of teams
