The present disclosure generally relates to the field of electronic tagging technology. An electronic tag may include a scanner configured to scan an article identification information associated with one of a plurality of categories of articles; a controller configured to acquire the article identification information from the scanner; a communicator configured to, based on a pairing of the article identification information with an identification information associated with the electronic tag, acquire a product information corresponding to the article identification information; a storage unit configured to store the identification information associated with the electronic tag; and a display screen configured to display the product information corresponding to the article identification information.