Abstract: In order to improve coal quality inspection and management automation level of Ximing coal preparation plant,on the basis of existing control system,instrument and equipment,added some equipment and coal quality inspection and management soft wear,establish automation,digitization,networked,intelligent and modernized coal quality inspection and management system,which combine the computer network system and coal quality inspection instrument and equipment,monitoring and collecting the real data of production,providing a seamless interface for production management and quality control in coal preparation plant.