There are provided a barcode reader for reading an article code in a barcode form from an article tag, and an RFID tag reader for reading a shelf code from a shelf tag in a non-contact wireless manner. The article code read by the barcode reader is stored in an article code memory, and the shelf code read by the RFID tag reader is stored in a shelf code memory. There are also provided an information processing unit, a control unit and a transmission unit. The information processing unit is controlled by the control unit to process the article code and the shelf code as one set of information for article management. Then, the transmission unit transmits the processed information to a personal computer.