Medical stores management should assist both the flow and reliability of supplies from source to user as economically and reliably as possible, and without significant wastage, loss of quality, or theft. The primary purpose of a store is to receive, hold, and dispatch stock. This materials management process is implemented through inventory control and warehouse management systems, which may be manual or computer based. The primary purpose of inventory control is to manage stock and ensure the smooth flow of goods by determining what, how much, and when to order stock. Consequently, it provides essential information for procurement management. Warehouse management comprises the physical movement of stock into, through, and out of a medical store warehouse. The systems should also be designed to provide information for performance monitoring.