To provide a system and a method for managing receipt information capable of preventing loss of receipt information corresponding to merchandise purchase and managing accurate receipt information.

When a use of a portable terminal 120 purchases merchandise, computerized receipt information corresponding to the merchandise purchase is transmitted to a receipt information managing terminal 140 from a resister 10 through the portable terminal 120 or a receipt information accumulating device 130 or through both of the portable terminal 120 and the receipt information accumulating device 130.