In order to solve problems of confused evaluation and weak guidance in small and medium manufacturing enterprises, a maturity evaluation model concerning the information capability of business process is proposed, which is based on the completion of core indicators at all levels of information technology. Firstly, based on the existing enterprise information model and related theories, a target evaluation system is established; Secondly, using the method of survey research, the weight of each indicators is determined, and the model for risk evaluation is established. Finally, based on theoretical studies, the core indicators of hierarchical model can help to quickly identify an enterprise's development stage of maturity, so that it can help to judge the enterprise's rationality and applicability.