An objective of the present invention is to provide an electronic ticket processing device, electronic ticket processing program, and electronic ticket processing method, for enabling easily inspecting an electronic ticket and making it unnecessary to have a power source at the site where the electronic ticket is inspected. A QR Code® provided at an entrance gate G of an exhibition is acquired in the form of image data by a smartphone 20 functioning as an electronic ticket processing device. If a use of an electronic ticket is indicated by the image data, a state is thereby assumed of a purchased electronic ticket having been used. It is thus sufficient to provide a QR Code indicating the use of an electronic ticket at an entrance gate G where the electronic ticket is inspected, and it is thus also unnecessary to provide a dedicated reading device at said location.
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