摘要:Leader’s emotion is one of the most influential factors of employee behavior in the workplace. The expression or of a leader’s positive emotion can directly or indirectly affect the employee’s work performance, especially the employee’s Counterproductive Work Behavior (CWB). This paper systematically explains the internal mechanism how the leader’s positive emotion affects employees’ CWB through experimental methods, and uses the Emotions As Social Information Modle (EASI) to analyze and explain the research results. Finally, this study exposes the inner psychological process of Leader’s positive emotion affecting employees’ CWB through their own positive emotions, proving the moderating effect of leadership justice in this process, and this study enriches the results of the research field of CWB.