The warehouse is set as a semi-closed warehouse, and the whole process of "receiving, managing and dispatching" is monitored in real time. The whole is a large warehouse, and then it is divided into warehouses, divisions, classifications, shelves, layered numbers, specifications, and sequence numbers, and according to smooth entry and exit, first-in, first-out, turnover rate, cargo correlation, weight characteristics, safety, etc. The principle of unified centralized storage management of materials.