The study aims to determine the effect of leadership, compensation and work environment on employee work discipline in the Dewi Sri Magetan supermarket. This type of research is a survey. Research subjects were 54 self-service employees. This data was collected by questionnaire and analized using multiple linear regression analysis. The result of the study show that : 1) leadership has a positive effect on employee work discipline with value tcount 3,645 > ttable 2,009with a significant 0,001. 2) compensation has a significant positive effect on employee work discipline with a tcount of 3,123 > ttable 2,009 with a significant of 0,003. 3) the work environment has a significant positive effect on employee work discipline with a value of tcaount of 3,547 > ttable 2,009 with a significant of 0,001. 4) Leadership, compensation, and work environment simultaneously effect employee work discipline with a fcount 12,668 > ftabel 2,56 with a significant 0,000. The contribution of leadership, compensation and work environment influence  positively to employee work discipline by 48,1%. The regression equation obtained is Y= (-6,394) + 0,591 X1 + 0,431 X2 + 0,314 X3 + e.