To provide a discount service processing system for improving a customer attraction rate and improving a brand image.

A user can receive discount fee service in a store of an advertiser by bringing and presenting a USB memory 1 having an advertisement display unit 13 to the store. Thus, the user can be strongly attracted to the store, so that a customer attraction rate of the store can be improved. Furthermore, advertisements are displayed on a surface of the USB memory 1 that is always kept at hand, so that a brand image of the store can be steadily improved.