Warehouse management method and system

The invention discloses a warehouse management method and system. The warehouse management method includes that first timing point and second timing point are set up, and data of warehouse records of materials between the first timing point and the second timing point are correct when a warehouse record difference is judged to be zero; the warehouse record difference = material warehoused in the first timing point + total number of the materials warehoused between the first timing point and the second timing point - total number of the material ex-warehoused between the first timing point and the second timing point + total number of the material warehoused from the second timing point to current timing point - total number of the material ex-warehoused from the second timing point to the current timing point - current warehouse of the materials. By the aid of the warehouse management method and system, warehouse information at any timing points can be recorded, all warehouse situations from any two optional