A display control method and device are discussed. According to one aspect, the method includes dividing a screen into a first display region, on which a first broadcast signal is displayed, and a second display region having at least one sub screen, on which a second broadcast signal is displayed, the second broadcast signal being received in response to a channel searching command; and displaying a moving picture on the second display region when the user selects a second display mode, wherein the first display region is overlapped with the second display region, and wherein an on screen display (OSD) having direction key menus responsive to the control command is displayed in order to control the position of display region of the second display region.