A mobile communication terminal includes a display unit for displaying an image for screen setting; a screen setting information storage unit storing screen setting information; a key input unit receiving a type of screen for the screen setting and selection information of user for an image edit command; a controller displaying a preview domain identical with the selected screen in type and size based on the selection information of the user for the type of the screen, and controlling an image edit in the preview domain based on the selection information of the user for the image edit command; and an image processor changing indication information of the display unit by control of the controller.