Warehouse management is a key application area of RFID technology. RFID electronic tags can effectively solve the problem of cargo information management in warehousing. Enabling enterprises to have real-time understanding of the location and storage status of goods plays an important role in improving warehousing efficiency and guiding production. The global retail giants, Wal Mart and Metro AG have adopted RFID technology to realize product identification, anti theft, real-time inventory and product validity control, thus greatly improving the efficiency of logistics.