MES system ( the manufacturing enterprise production processexecution system) is the fourth system of our company following the ERP system,OA system and Shop Floor system. Introduce of the MES system is one of the company's major moves to build a smart factory to improve manufacturing level. Importing MES system can optimize production and manufacturing management mode, strengthen process management and control and achieve meticulous management purposes; strengthen the coordination office capacity of various production departmentsto improve work efficiency and reduce production cost; improve the timeliness and accuracy of statistical analysis of production data to avoid humaninterference and promote the standardization of enterprise management; toprovide effective and standardized management support for the qualityinspection of products, intermediate products and raw materials of theenterprise; to control information such as planning, scheduling, quality,process and equipment operation in real time so as to make all relevantDepartments find problems and solve problems in time.