Recent studies have documented the relationship of leadership behavior with employee performance and workplace behaviors. Yet, little attention has been directed at the impact of leadership behavior on the aspects of workplace behaviors such as value congruence and relationship conflict. The goal of this study is to examine the influence of leader-member exchange (LMX) regarding the outcomes of relationship conflict, organizational commitment, and citizenship behavior among employees with value congruence as a moderator. Data was collected using an online questionnaire with a total of 429 valid responses. The results of our study showed that relationship conflict had a mediating effect between LMX and organizational commitment. Employees working with supportive supervisors had relatively good relationships with coworkers as well. The research results of this study offer significant findings for the meaning of leadership behavior in the Chinese culture. Discussion focusing on the influence of collectivism culture and the forces in reshaping Taiwan’s culture is also included.