A method and wireless terminal for zooming an image in a wireless terminal are provided, in which information of a selected image is analyzed, when a predetermined image is selected in an image edit mode; control is authorized to a second controller, if the selected image is a high resolution image; the selected image is displayed on a first screen and a zoom box used to select a partial image to be zoomed is displayed on a second screen, under the control of the second controller; a zoom function is performed while displaying the partial image selected by the zoom box on the first screen, if a zoom mode is selected; and a partial image selected by the moved zoom box is displayed on the first screen, when moving the zoom box.