A mobile communication terminal and a method for outputting a short message thereof are provided. The mobile communication terminal according to an exemplary embodiment of the present invention includes a short message interpretation unit which extracts a phone number of a sender from a header of a short message, a short message processing unit which obtains an image mapped to the extracted phone number and generates a screen on which the image is combined with the text of the short message, a mapping unit which maps the image to the phone number of the sender, a storage unit which stores the phone number of the sender and the image and an output unit which outputs the screen.