Abstract: There is provided an instant settlement system for credit card member stores, which has a server including a branch-dedicated server connected to a branch, a VAN-dedicated server connected to a VAN (5), a withdrawal information server, a bank-dedicated server connected to a bank, a card-dedicated server connected to a credit card company (3), an account settlement server, and an inquiry processing server for managing a history database, member database and banking database, the server (4) being connected to a plurality of credit card member store terminals (21-25) to manage information about transaction made at credit card member stores, the server (6) being also connected to the bank, in case there is a transaction accomplished at a credit card member store, to control withdrawals to allow the credit card member store to be instantly paid for the transaction, the server being connected to the credit card company (3) through the VAN (5) to confirm if credit cards used for transactions are authorized and to pr