This paper introduces the design and development mode of the production-sales-stock system, and describes the design and implementation of the system in detail. The system has the advantages of scientific design, advanced concepts, advanced technology, stable function, flexible configuration and friendly interface. The successful development and application of the system provides a feasible way of information construction for the coal enterprises, reflecting the independent technology advantage, cost advantage, operational advantage and post upgrade maintenance advantage. It achieves a unified standard of enterprise data and the unified management, strengthens the production-sales-stock control mode, enhances the business collaboration ability and level of scientific decision-making.