Advertisement providing apparatus, advertisement providing method, and advertisement providing system

Disclosed are: an advertisement providing apparatus; an advertisement providing method; and an advertisement providing system. An advertisement providing terminal apparatus according to the present invention comprises: an advertisement processing unit for receiving an advertisement for a user from an advertisement providing server, outputting the received advertisement on a display, and receiving select information of the output advertisement from the user; a purchase processing unit for, when the select information is received, providing the user with a payment interface so that the user purchases a product associated with the advertisement, and for receiving payment information from the user through the payment interface; and a payment processing unit for processing a payment using the payment information received from the user and sending the payment information so that the payment information can be used as retargeting information. Therefore, it is possible to provide advertisement providing technology which is based on an advertisement model and has a one-stop shopping concept in which exposure to a mobile advertisement, purchase, payment, reward, re-targeting, and exposure to an advertisement form a virtuous circle.