Performance management is a systematic and information-based process that helps managers manage employees in achieving goals, implementing plans, and fulfilling missions. Also, performance management, in its new definition, is a profession that helps managers and supervisors, after setting goals and planning for the behavior and performance of their employees, evaluate the extent and quality of the implementation of plans and the achievement of goals at the end of the period, and through rooting out and analyzing satisfactory and desirable or unsatisfactory and undesirable behaviors and performances, and with the help of continuous application of this cycle, prepare the ground for improving performance and promoting employee behavior.