The present disclosure relates to an image display device including a display unit for playing video and a control method thereof, and the method may include selecting at least one of characters contained in video, searching at least one region containing the selected character within the entire region of a frame using at least one frame provided in the video, extracting a major playback section containing the selected character based on at least one of the size and location of the retrieved at least one region, and playing the extracted major playback section.