A mobile communication terminal, comprising: a display unit including a touch screen; characterized in that the terminal comprises: at least a first and second side key, and a controller configured to display on the display unit: an interface screen when one of the at least first and second side key is manipulated, said interface screen including selectable items for setting at least one of a receiving call alert mode of the terminal and a button alert mode of the terminal, wherein the button alert mode corresponds to a mode in which a user is notified when a button on the terminal is manipulated, and a bell sound interface screen when the first side key is manipulated or a vibration interface screen when the second side key is manipulated, wherein the bell sound interface screen allows the user to set a volume level of a ringing sound corresponding to the receiving call alert mode and the vibration interface screen allows the user to set a vibration level of the terminal corresponding to the receiving call alert mode. a display unit including a touch screen; characterized in that the terminal comprises: at least a first and second side key, and a controller configured to display on the display unit: an interface screen when one of the at least first and second side key is manipulated, said interface screen including selectable items for setting at least one of a receiving call alert mode of the terminal and a button alert mode of the terminal, wherein the button alert mode corresponds to a mode in which a user is notified when a button on the terminal is manipulated, and a bell sound interface screen when the first side key is manipulated or a vibration interface screen when the second side key is manipulated, wherein the bell sound interface screen allows the user to set a volume level of a ringing sound corresponding to the receiving call alert mode and the vibration interface screen allows the user to set a vibration level of the terminal corresponding to the receiving call alert mode. at least a first and second side key, and a controller configured to display on the display unit: an interface screen when one of the at least first and second side key is manipulated, said interface screen including selectable items for setting at least one of a receiving call alert mode of the terminal and a button alert mode of the terminal, wherein the button alert mode corresponds to a mode in which a user is notified when a button on the terminal is manipulated, and a bell sound interface screen when the first side key is manipulated or a vibration interface screen when the second side key is manipulated, wherein the bell sound interface screen allows the user to set a volume level of a ringing sound corresponding to the receiving call alert mode and the vibration interface screen allows the user to set a vibration level of the terminal corresponding to the receiving call alert mode. an interface screen when one of the at least first and second side key is manipulated, said interface screen including selectable items for setting at least one of a receiving call alert mode of the terminal and a button alert mode of the terminal, wherein the button alert mode corresponds to a mode in which a user is notified when a button on the terminal is manipulated, and a bell sound interface screen when the first side key is manipulated or a vibration interface screen when the second side key is manipulated, wherein the bell sound interface screen allows the user to set a volume level of a ringing sound corresponding to the receiving call alert mode and the vibration interface screen allows the user to set a vibration level of the terminal corresponding to the receiving call alert mode.