Abstract: In view of problems of too much residual inventory and high production cost in material supply management system of a Group Company, the paper proposed a design scheme of material supermarket management system of coal enterprise based on Internet of Things. It introduced key technologies of the system and actual business needs of material management of the Group Company, gave system structure based on perception layer, network layer and application layer, and introduced realization scheme of each layer in details. The system reflects effective utilization of Internet of Things in material management of coal enterprises.