Performance appraisal mainly serves management and development: the goal is to improve the operating efficiency of the company, improve the professional skills of employees, mobilize the enthusiasm of employees, promote the healthy development of employees and ultimately benefit the enterprise and employees. In addition, performance appraisal is related to the company's strategic objectives. Its effective implementation will help unify employees' behavior and strategic goals. It is very important for companies to integrate human resources and coordinate the relationship with employees. Unscientific or unrealistic performance appraisal will not produce positive incentive effect, but it will bring obstacles to the human resource management of the company, which will create tension between employees and team spirit. Therefore, both managers and employees should be aware of the importance of performance appraisal and develop a scientific, reasonable and standardized assessment system to adapt to the development of the company and achieve the development goal of "win-win". Win between the company and the employees