PURPOSE: To accelerate a customer transaction operation and to improve efficiency by storing transaction history information and customer identification information, and providing a transaction picture and a transaction procedure to every customer.

CONSTITUTION: The customer identification information and history information for the customer at every transaction are stored in an information memory 5, and when a transaction is started by throwing in a medium such as a card 1, etc., the transaction picture with high frequency is automatically selected and displayed by retrieving the transaction history information of the customer, and the customer input information of a past transaction is also displayed. The history information at every transaction is provided with transaction specification, a transaction date, a transaction amount, and each item of transfer information when a transaction is a transfer transaction, and furthermore, the transaction picture with high frequency for the customer is displayed by providing the number of times of past transactions at every transaction specification, and also, the past customer input information is displayed. Thereby, it is possible to attain the acceleration of an operation, high efficiency, and the labor saving of input information.