A method for providing content through a content providing system, including permitting access to the system through a media device; outputting a screen including a plurality of menu items including a view brand content item; when the view brand content item is selected by a user, outputting a screen including specific brand goods and a keyword input window; receiving a keyword input from the user; outputting a search result screen including brands matching the input keyword; outputting an e-book related to a brand selected by the user; outputting a brand store selected by the user; classifying and outputting brand content selected by the user according to a producer of the content; storing content selected by the user in an internal user space; and providing a publicity space in which the content stored in the internal user space can be publicized.