Checkout apparatus and its control method

A kind of checkout apparatus of this specification embodiment offer and its control method.The device includes：Shell is provided with the storage case of upper end opening in shell, the cover board that can open and close opening is provided on shell, when cover plate closing be open, storage case formation enclosure space；The composition material of cover board and shell includes metal material so that enclosure space is electromagnetic shielding space；The RFID reading units of RFID reader and RFID antenna including interconnection, RFID antenna are arranged on the inner wall for the enclosure space that storage case is formed, and RFID reader reads the RFID tag of commodity to be settled accounts by RFID antenna；Decoder, the anti-theft tag for treating clearing article are decoded processing, and decoder is arranged on the inner wall for the enclosure space that storage case is formed；Controller is connect with RFID reading units and decoder, and RFID tag is read for controlling RFID reading units, and settlement information is provided according to result is read；The delivery operation control decoder of the settlement information is decoded anti-theft tag according to user.