A display device comprising: a first communication interface configured to receive broadcast content; a second communication interface configured to receive a user input; a display; and a processor that is electrically connected to the display, the first communication interface, and the second communication interface, wherein the processor is configured to: while receiving a preset user input through the second communication interface, control the display to display a first user interface comprising a scroll bar including a plurality of points corresponding to a plurality of channels, a cursor moving on the scroll bar depending on the preset user input, and information about a channel corresponding to a point at which the cursor is displayed; and in response to the preset user input being stopped, control the display to additionally display a second UI comprising information about one or more channels adjacent to the channel corresponding to the point at which the cursor is displayed characterised in that: the scroll bar comprises a first area including a point corresponding to a preset channel and a second area comprising an area of the scroll bar other than the first area, and the cursor moves at a first speed on the first area and moves at a second speed on the second area, the second speed being faster than the first speed. a first communication interface configured to receive broadcast content; a second communication interface configured to receive a user input; a display; and a processor that is electrically connected to the display, the first communication interface, and the second communication interface, wherein the processor is configured to: while receiving a preset user input through the second communication interface, control the display to display a first user interface comprising a scroll bar including a plurality of points corresponding to a plurality of channels, a cursor moving on the scroll bar depending on the preset user input, and information about a channel corresponding to a point at which the cursor is displayed; and in response to the preset user input being stopped, control the display to additionally display a second UI comprising information about one or more channels adjacent to the channel corresponding to the point at which the cursor is displayed characterised in that: the scroll bar comprises a first area including a point corresponding to a preset channel and a second area comprising an area of the scroll bar other than the first area, and the cursor moves at a first speed on the first area and moves at a second speed on the second area, the second speed being faster than the first speed. while receiving a preset user input through the second communication interface, control the display to display a first user interface comprising a scroll bar including a plurality of points corresponding to a plurality of channels, a cursor moving on the scroll bar depending on the preset user input, and information about a channel corresponding to a point at which the cursor is displayed; and in response to the preset user input being stopped, control the display to additionally display a second UI comprising information about one or more channels adjacent to the channel corresponding to the point at which the cursor is displayed characterised in that: the scroll bar comprises a first area including a point corresponding to a preset channel and a second area comprising an area of the scroll bar other than the first area, and the cursor moves at a first speed on the first area and moves at a second speed on the second area, the second speed being faster than the first speed. the scroll bar comprises a first area including a point corresponding to a preset channel and a second area comprising an area of the scroll bar other than the first area, and the cursor moves at a first speed on the first area and moves at a second speed on the second area, the second speed being faster than the first speed.