Device and method for providing interface customized in content

PURPOSE: A device for providing a customized content interface and a method thereof are provided to automatically supply an optimized interface without a selection process corresponding to a lot of content, thereby conveniently controlling content. CONSTITUTION: A content providing unit(110) receives a content request signal and user information from a first terminal. The content providing unit provides content to the first terminal based on the user information. A request signal receiving unit(120) receives the user information and an interface request signal from a second terminal. An interface data providing unit(130) authenticates the second terminal based on the user information and provides interface data matched with the content to the second terminal. When the interface data is received from the second terminal, the interface data providing unit renews the interface data. [Reference numerals] (110) Content providing unit; (120) Request signal receiving unit; (130) Interface data providing unit