A central processing apparatus, a distributed processing apparatus, and a transaction processing terminal constitute a transaction processing system. A central processing apparatus, a distributed processing apparatus, and an information supply terminal constitute an information supply system. These systems are mutually connected. A customer data base stores customer attributes or service information for each customer. A service information conditioning file stores target customer conditions for the respective service. The transaction processing terminal will communicate with the central processing apparatus and the like to perform the transaction process for the customer who visits the branch of the financial institute, and at the same time, to retrieve the customer data bases, and the file belonging to the information supply system so as to display service information on the display.