To collect highly reliable marketing information.

The marketing information processing device 1 comprises an identity information registration part 22 which registers identity information of a user including a demonstrator who advertises or sells a product or service, a questionnaire result storage processing part 23 which stores a result of a questionnaire survey procured from a questionnaire survey conducted for users about a product or service and a marketing information procurement part 24 which procures marketing information on a product or service according to the result of the questionnaire survey.