A successful company needs employees who will do more than what they usually do or employees who are able to provide performance that is more than expected by the company. Currently, in the world of work, teamwork and flexibility are needed in carrying out tasks, companies need employees who have good behavior, don't complain about the work being done, avoid unnecessary conflicts, have initiative in completing tasks, offer themselves for extra work, Have initiative in completing tasks. Fred is inLuthans (2018)defines OCB as individual behavior that is free to choose, not regulated directly or explicitly by a formal reward system, and gradually promotes effective organizational functioning.This research aims to review several research results that have been carried out by several researchers. 17 research results were reviewed to obtain conclusions about the role of OCB on employee performance. The method used is a descriptive qualitative method. The research results show that OCB plays an important role in improving performance. Job satisfaction has a positive effect on employee performance. Organizational commitment has a positive effect on employee performance. Job satisfaction has a positive effect on OCB. Organizational commitment has a positive effect on employee performance. Organizational commitment has a positive effect on OCB. OCB has a positive effect on employee performance. Job satisfaction has a positive effect on employee performance through OCB. Organizational commitment has a positive effect on employee performance through OCB.