A display device and a control method thereof are provided. The display device includes: a touch screen which displays a screen and senses a gesture of a user on the screen; a video processor which process an image for displaying the screen; a communication unit which performs communication with at least one neighboring device; and a controller which performs control to display a miniature image of a screen of contents being displayed and a first user interface (UI) item showing a connected neighboring device of the at least one neighboring device if a first gesture of a user is made while displaying the screen corresponding to predetermined contents, and to transmit information for sharing the contents to the corresponding neighboring device in accordance with a second gesture of a user with regard to the miniature image and the first UI item.