1. First of all, you should first clarify the content of the work of each position, the development of a good job duties table, that is to say, this position, when he does a good job 3, you this job duties table of the things stipulated in his work is OK. 2. for each duty to develop detailed results assessment standards, such as one of the job duties performance is divided into ten points, then to develop a detailed standard, you can use this standard to determine his score from 0 to 10 points. 3. Then according to a certain time frequency for checking, that is, performance appraisal. Note: It does not matter that the appraisal form is not perfect, you can constantly work in the continuous correction to make it perfect. Appraisal scoring must be fair, a ruler to consider, not to lose justice. Problems found in the assessment, to do a good job in a timely manner to prevent and correct the work.