This research mainly explores the relationship between psychological empowerment and job performance and their internal mechanisms from psychological empowerment of employees, and discusses job satisfaction and organizational justice multiple mediation effect between psychological empowerment and job performance. The study mainly adopts the methods of questionnaires, including web questionnaires survey and field questionnaires survey. Conclusions are as follows: Conclusion 1: Psychological empowerment, work meaning, competence, impact and self-determination and job performance significantly relate each other. Conclusion 2: Psychological empowerment, job performance, job satisfaction and organizational justice significantly relate each other. Conclusion 3: Regression analysis demonstrates that job satisfaction acts as the mediator between psychological empowerment and job performance.