A mobile terminal comprising: a camera configured to continuously obtain images; a touch screen configured to continuously display images obtained by the camera; a memory; and a controller configured to: in response to a first touch applied to the touch screen at a first time point, store a first image in the memory, wherein the first image corresponds to an image, out of the continuously displayed images, which was displayed on the touch screen at the time of the first touch, display a first thumbnail image corresponding to the first image on a portion of the touch screen, in addition to the continuously displayed images, in response to a second touch applied to the touch screen at a second time point, store a second image in the memory, wherein the second image corresponds to an image, out of the continuously displayed images, which was displayed on the touch screen at the time of the second touch, display a second thumbnail image corresponding to the second image nearby the first thumbnail image, in addition to the continuously displayed images, and in response to the second touch being applied to the first thumbnail image, store a third image in the memory, wherein the third image corresponds to an image, out of the continuously displayed images, which was displayed on the touch screen at the time of the third touch, and wherein the first and third images are stored in one category in an associating manner, and the second image is independently stored in the memory. a camera configured to continuously obtain images; a touch screen configured to continuously display images obtained by the camera; a memory; and a controller configured to: in response to a first touch applied to the touch screen at a first time point, store a first image in the memory, wherein the first image corresponds to an image, out of the continuously displayed images, which was displayed on the touch screen at the time of the first touch, display a first thumbnail image corresponding to the first image on a portion of the touch screen, in addition to the continuously displayed images, in response to a second touch applied to the touch screen at a second time point, store a second image in the memory, wherein the second image corresponds to an image, out of the continuously displayed images, which was displayed on the touch screen at the time of the second touch, display a second thumbnail image corresponding to the second image nearby the first thumbnail image, in addition to the continuously displayed images, and in response to the second touch being applied to the first thumbnail image, store a third image in the memory, wherein the third image corresponds to an image, out of the continuously displayed images, which was displayed on the touch screen at the time of the third touch, and wherein the first and third images are stored in one category in an associating manner, and the second image is independently stored in the memory. in response to a first touch applied to the touch screen at a first time point, store a first image in the memory, wherein the first image corresponds to an image, out of the continuously displayed images, which was displayed on the touch screen at the time of the first touch, display a first thumbnail image corresponding to the first image on a portion of the touch screen, in addition to the continuously displayed images, in response to a second touch applied to the touch screen at a second time point, store a second image in the memory, wherein the second image corresponds to an image, out of the continuously displayed images, which was displayed on the touch screen at the time of the second touch, display a second thumbnail image corresponding to the second image nearby the first thumbnail image, in addition to the continuously displayed images, and in response to the second touch being applied to the first thumbnail image, store a third image in the memory, wherein the third image corresponds to an image, out of the continuously displayed images, which was displayed on the touch screen at the time of the third touch, and wherein the first and third images are stored in one category in an associating manner, and the second image is independently stored in the memory.