In private enterprise, the performance appraisal were mainly refers to the employing department heads, who have been assessing refers to employees, this article assumes that the two sides in the performance evaluation of the performance appraisal process for the pursuit of personal interests tend to maximize the existence of self-serving behavior, such behavior would adversely affect the interests of the organization. Verified through the analysis of corporate punishment mechanism in the process of performance appraisal of both the role of the game, come to punish private companies should establish monitoring mechanisms conclusions.