An electronic device and a display method thereof are disclosed. An electronic device according to the present disclosure comprises: a display; and a processor for controlling an electronic device to operate in one of a wallpaper mode and a content mode, wherein, in the absence of a preset wallpaper, when a first user command is input while the display operates in the content mode for reproducing broadcast content, the processor controls the display to change and display the broadcast content to a first UI for entering the wallpaper mode; and, in the absence of a preset wallpaper screen, when a second user command is input while the display is operating in the content mode, the processor controls the display to change and display the broadcast content to a wallpaper setting screen for setting a wallpaper.