The objective of this study ware to explore the antecedent and consequences of management quality and to examine the mediating effects of the management quality on the relationship between antecedent and consequences. In order to verify the relationships and mediating effect, data were obtained from 328 employees working in firms at Jinju, Masan, Changwon City were analyzed by using SPSS 12.0. and AMOS 5.0. The findings are as follows: First, antecedent(psychological ownership) was positively related to management quality. Second, there were also positive relationship between management quality and consequences(employee`s attitude). Third, there were also positive relationship between psychological ownership and employee`s attitude(job satisfaction, organizational commitment). Finally, management quality was a partial mediating effect on the relationship between psychological ownership and employee`s attitude. Based on these findings, the theoretical and practical implications and limitations are discussed in conclusion.