A screen area dividing method for a mobile terminal comprising a storage unit, a control unit, an input unit comprising at least one key, and a touch screen, the touch screen including a display unit configured to display a plurality of items and a plurality of functional view areas corresponding to divided screen areas, the method, in response to receiving a user touch input of a dual menu item, representing a created combination of two menu items corresponding to two items each representing a user application program, the dual menu item being displayed on the touch screen, comprising: generating a respective input signal for executing the two user application programs corresponding to the two items; executing the two user application programs simultaneously; controlling the display of the touch screen to output a plurality of divided screen areas; displaying a functional view area of the each of the two executed user application programs on a corresponding divided screen area of the plurality of divided screen areas; and, in response to a further user input to a special key of the input unit, the special key being configured to cause output of a menu view area: activating a menu view function for outputting a menu view area to the touch screen; resizing the two functional areas at preset locations of the display; outputting a menu view area corresponding to the special key on the display; receiving a drag and drop input of a function icon representing a new menu item from the menu view area to one of the two displayed functional view areas; and replacing the function view area being output on the divided screen areas, on which the dragged functional icon was dropped, with a functional view area associated with the touch-selected function icon representing the new menu item. generating a respective input signal for executing the two user application programs corresponding to the two items; executing the two user application programs simultaneously; controlling the display of the touch screen to output a plurality of divided screen areas; displaying a functional view area of the each of the two executed user application programs on a corresponding divided screen area of the plurality of divided screen areas; and, in response to a further user input to a special key of the input unit, the special key being configured to cause output of a menu view area: activating a menu view function for outputting a menu view area to the touch screen; resizing the two functional areas at preset locations of the display; outputting a menu view area corresponding to the special key on the display; receiving a drag and drop input of a function icon representing a new menu item from the menu view area to one of the two displayed functional view areas; and replacing the function view area being output on the divided screen areas, on which the dragged functional icon was dropped, with a functional view area associated with the touch-selected function icon representing the new menu item. activating a menu view function for outputting a menu view area to the touch screen; resizing the two functional areas at preset locations of the display; outputting a menu view area corresponding to the special key on the display; receiving a drag and drop input of a function icon representing a new menu item from the menu view area to one of the two displayed functional view areas; and replacing the function view area being output on the divided screen areas, on which the dragged functional icon was dropped, with a functional view area associated with the touch-selected function icon representing the new menu item.