A method and apparatus for displaying broadcast data using picture-in-picture are disclosed. According to an exemplary embodiment of the invention, the inset window (secondary screen), that is displaying a second broadcast, is prevented from overlapping with an object selected from the first broadcast, that is displayed on the primary screen, when the object moves to a location of the first screen that is overlapped by the second screen. The method includes selecting at least one object from the first broadcast displayed on the first screen and displaying, when the selected object moves to a location of the second screen that overlaps the first screen, the selected object at the location of the second screen.