MES is a production information management system for the executive layer of the manufacturing enterprise workshop.

MES can provide enterprises with manufacturing data management, planning and scheduling management, production scheduling management, inventory management, quality management, human resources management, work center / equipment management, tooling management, procurement management, cost management, project kanban management, production Management modules such as process control, low-level data integration analysis, and high-level data integration decomposition create a solid, reliable, comprehensive, and feasible manufacturing collaborative management platform for enterprises.

MESA emphasized the following three points in the definition of MES:

1. MES is to optimize the manufacturing process of the whole workshop, not to solve a certain production bottleneck alone;

2. MES must provide the function of collecting data in real-time during the production process [1], and make corresponding analysis and processing.

3. MES needs to carry out information interaction with the planning layer and the control layer to realize the complete integration of enterprise information through the continuous information flow of the enterprise.