In this page, the author uses the system harmony idea from harmonious management as the theoretical foundation for enterprise informationization evaluation indicators, and combines analytical hierarchy process to establish enterprise informationization evaluation system, together with a case study to prove the rationality of the evaluation system, which has an importance reference value for evaluating the application level of enterprise informationization, ensuring the sustainable optimization of enterprise informationization, and the coordinated development between the enterprise information subsystem and its related subsystem.