A mobile terminal, comprising: a camera; a touchscreen; a memory configured to store at least one image captured through the camera; and a controller configured to display on the touch screen a preview obtained through the camera in an image capture mode and a thumbnail image (Th) of the most recently captured image from among at least one image stored in the memory in a predetermined area of the touch screen, display the most recently captured image corresponding to the thumbnail image (Th) in a quick viewer while keeping the image capture mode when a touch input is maintained on the thumbnail image for a predetermined time period, wherein the quick viewer is displayed to overlap with the preview across the entire area of the touch screen and removed when the touch input is released, make the preview visible in place of the most recently captured image corresponding to the thumbnail image and capture the displayed preview, when the thumbnail image (Th) is dragged to a capture function button included in the quick viewer and, after capturing the preview and when the dragging touch input on the thumbnail image is released, recover the thumbnail image to the predetermined area. a camera; a touchscreen; a memory configured to store at least one image captured through the camera; and a controller configured to display on the touch screen a preview obtained through the camera in an image capture mode and a thumbnail image (Th) of the most recently captured image from among at least one image stored in the memory in a predetermined area of the touch screen, display the most recently captured image corresponding to the thumbnail image (Th) in a quick viewer while keeping the image capture mode when a touch input is maintained on the thumbnail image for a predetermined time period, wherein the quick viewer is displayed to overlap with the preview across the entire area of the touch screen and removed when the touch input is released, make the preview visible in place of the most recently captured image corresponding to the thumbnail image and capture the displayed preview, when the thumbnail image (Th) is dragged to a capture function button included in the quick viewer and, after capturing the preview and when the dragging touch input on the thumbnail image is released, recover the thumbnail image to the predetermined area. display on the touch screen a preview obtained through the camera in an image capture mode and a thumbnail image (Th) of the most recently captured image from among at least one image stored in the memory in a predetermined area of the touch screen, display the most recently captured image corresponding to the thumbnail image (Th) in a quick viewer while keeping the image capture mode when a touch input is maintained on the thumbnail image for a predetermined time period, wherein the quick viewer is displayed to overlap with the preview across the entire area of the touch screen and removed when the touch input is released, make the preview visible in place of the most recently captured image corresponding to the thumbnail image and capture the displayed preview, when the thumbnail image (Th) is dragged to a capture function button included in the quick viewer and, after capturing the preview and when the dragging touch input on the thumbnail image is released, recover the thumbnail image to the predetermined area.