1. A method for managing lists using multi-touch input device, comprising: detecting multi-touch signals input to a list on a touch screen; determining whether the multi-touch signals are input for a length of time equal to or greater than an activation time period; designating, if the multi-touch signals are input is less than the activation time period, the entire list with a selection area for altering a structure of a list; identifying a gesture generated by the multi-touch signals; expanding or contracting the structure of the entire list according to the identified gesture; and displaying the altered structure of the entire list on the touch screen.