A portable telephone has a phone-book capability of storing and searching plural pieces of receiver information including character information and image information and comprises phone-book memory means for registering plural pieces of receiver information including character information and image information associated with each other; decoding means for decoding the image information stored in the phone-book memory means; display means for displaying the character information and the image information stored in the phone-book memory means; operation means for outputting a select signal in accordance with an external operation; and control means for controlling the phone-book memory means, the decoding means, the display means, and the operation means. The control means performs such control that when a plurality of select signals for selecting different pieces of receiver information from that receiver information which is currently displayed on the display means are output from the operation means continuously or over a given period of time, those character information which are included in the selected pieces of receiver information are sequentially displayed on the display means in accordance with the select signals and only that image information which corresponds to a last select signal output is decoded by the decoding means and is displayed on the display means.