1. A portable terminal comprising: an image capturing unit configured to capture an image; a main display for displaying the captured image; a plurality of displayable inputs respectively configured to display a function related to image photographing or video photographing in response to a signal to capture an image; a memory configured to store the captured image; a controller configured to: control at least one of the plurality of displayable inputs to display a storage function for storing the captured image after the image capturing unit captures the image; and control at least one of the plurality of displayable inputs to display a categorizing function for storing the captured image according to at least one category.