Abstract: Project Management Maturity Model is used for assessing the level of e nterprise project management capability as well as providing methods for continu ously improving by benchmarking. This paper firstly reviews the development of p roject management maturity model, then studies several overseas models and at la st, analyzes some problems about the application of project management maturity model in local firms through generalizing the state of the art of the applicatio n of PMMM in local firms.