A mobile terminal and multimedia message processing method thereof is provided for efficiently processing a multimedia message composed of multiple pages. A multimedia message processing method of the present invention includes receiving a message arrival alert containing a preview page selected among multiple pages constituting a multimedia message; displaying the preview page; determining whether an event allowing or rejecting download of the remaining pages of the multimedia message is received; and rejecting, when an event for rejecting download of the remaining pages of the multimedia message is received, download of the remaining pages of the multimedia message. The multimedia message processing method of the present invention allows a user to determine whether to download the entire multimedia message after viewing a preview page carried by a message arrival alert, thereby avoiding download of unwanted multimedia message, resulting in reduction of data service cost and improvement of memory utilization.