A message transmission method for a mobile communication terminal is includes the steps of: inputting a message including a plurality of unit messages; matching a unit message to a receiver address; and transmitting the matched unit message to a mobile communication terminal having the particular receiver address identified by an identification symbol. The method may transmit a message pre-stored in a mobile communication terminal. The method reduces the time required for group transmission because the mobile communication terminal transmits different messages individually to a plurality of receivers by using unit messages newly input or pre-stored in the mobile communication terminal.