Abstract: By researching the internal relationship between project management theory and process management theory,an integrated framework on enterprise process management and project management was proposed. Then the dynamic and cyclic optimization model based on this framework was designed which involved both cycle in process management layer and cycle in project implementation layer. The process simulation optimization technology and the dynamic adjusting technology of project plan related in the framework were also discussed. I}he usage of cyclic optimization technology will strongly support the enterprise to shorten the manufacture process modified period, and improve the emergency ability to the manufacture environment.

Key words: Process model, Project management, Simulation optimization, Cyclic optimization