SMES SIE manufacturing execution system is a SOA process platform product completely based on the business idea. It is responsible for the full life cycle management of the entire business process. It takes people, machines, materials, methods, environment and measurement as the management objects, KPI performance evaluation as the means, and the implementation management of orders and production plans as the main line to help enterprises reasonably arrange production scheduling, optimize process flow, improve product quality, and strengthen workshop logistics management,reduce energy consumption, inventory and cost, realize lean production and fine management, comprehensively improve and improve the manufacturing capacity of the enterprise, and provide decision support for enterprise managers and leaders with real-time data query and analysis functions.So it can  quickly and accurately respond to market changes and comprehensively improve the market competitiveness of the enterprise.SIE MES platform connects ERP, PLM, SCM, SCADA and other upstream and downstream systems,which can truly improve the collaborative work ability of various components, support the establishment of a digital platform for multi factory and cross Organization collaborative operation, meet the expansion of different business areas and the needs of collaborative design, manufacturing and delivery, and make automation seamlessly connected with manufacturing management, enterprise management, supply chain management, etc.Then it will provide a solid technical and product foundation for the realization of "digital factory", and effectively improve production flexibility and operation management efficiency.