To provide an indication tag processing system which has simple structure to manage indication tags such as shelf tags and POP (Point Of Purchase) advertisements that are posted in accordance with commodities in a store or the like.

An indication tag processing system which performs processing for indication tags 8 such as commodity price indication tags and POP advertisements that are posted in a store or the like, comprises: a storage unit which stores tag identification information 85 assigned to each indication tag 8 indicating the commodity price or the POP advertisement, in association with commodity information about the corresponding commodity; an issuance unit as a generation unit which generates the indication tag 8 indicating the tag identification information and the commodity information to be indicated in the indication tag; an imaging unit 30 which images posted indication tags 8; and a control unit which, when the imaging unit 30 images the indication tags 8 such as the commodity price indication tags, performs processing for managing the indication tags 8 on the basis of the pieces of tag identification information 85 of the imaged indication tags 8.