METHOD AND SYSTEM FOR MANAGING SETTLEMENT AND CUSTOMER INFORMATION USING USER ID INFORMATION MATCHED WITH CREDIT CARD WITHOUT PRESENTING THE CREDIT CARD WHILE RECEIVING THE SAME BENEFIT AS PRESENT MEMBERSHIP CARD, AND MEMBER SHOP TERMINAL AND RELAY SERVER

摘要

PURPOSE: A method and a system for managing settlement and customer information using the user ID information matched with a credit card, and a member shop terminal and a relay server forming the same are provided to conveniently perform the settlement with use of the user ID information stored in a membership card without presenting the credit card while receiving the same benefit as the present membership card. CONSTITUTION: The member shop terminal(100) transmits the user ID information and the transaction particulars information of the settlement received from a user to the relay server, and receives a receipt or a sales slip from the relay server in real-time. The relay server(200) requests a settlement approval by extracting the credit card ID information matched with the user ID information, and transmitting the extracted information and the settlement price information to a credit card company system(300), transmits one of the settlement approval information or the benefit information received from the credit card company system to the member shop terminal, and stores/manages the transaction particulars information of each user.