Abstract: This paper introduces the sources of CMMI, CMMI 5grades, different grades and different levels in CMMI project schedule control and avoid project termination probability. For this organization system is established based on the CMMI model, as well as the system frame to complete and final results. Finally, the CMMI system based on role in project management, and peer review as an example, introduces the project planning, project budget and project results to the benefits of control.

Key words: CMMI, Software process system, Project management