A mobile terminal, including a touchscreen and a controller configured to display a playing image of a first video as a main image in a first region of the touch screen, display a video list in a second region of the touchscreen different than the first region while the playing image of the first video is displayed in the first region, the video list including a first thumbnail image representing the first video and a second thumbnail image representing a second video, display a playing image of the second video in a first size as a preview image in the second region while the playing image of the first video is displayed in the first region, such that the playing image of the first video in the first region and the playing image of the second video in the second region are simultaneously displayed, in response to a first proximity touch input to the second thumbnail image, and display the playing image of the second video in a second size larger than the first size, in response to a first contact touch input to the second thumbnail image. In addition, the preview image of the second video is larger than the second thumbnail image.