CASH PAYMENT SYSTEM AND PAYING METHOD

PROBLEM TO BE SOLVED: To allow a corporate client to reduce the risk when a payment slip and a check is lost by substituting a function part performed with a payment slip/check with a payment card and also to allow a financial institution to have effect to shift periodical payment business by the corporate client to an automatic machine. SOLUTION: A cash payment system is provided with the payment card having at least an ID information storage area where ID information inherent to a customer is stored in advance and a payment amount information storage area, a payment card producing device for storing a payment amount in the payment amount information storage area of the payment card with an operation of a cash manager, and a cash paying device for confirming whether or not the payment amount stored in the payment card exists in the account of the customer in the case the ID information stored in the payment card coincides with the preregistered ID information inherent to the customer when the payment card is inserted, paying the cash of the payment amount if the balance is not lower than the payment amount and also updating the balance of the account of the customer.