An apparatus and method for splitting and displaying a screen of a touch screen are provided. The method includes splitting a screen of the touch screen into at least two display areas in response to an input for splitting the screen, storing split information of the at least two display areas, displaying a plurality of keys on an input display area of the screen, generating and storing key display information in response to the input for splitting the screen, and displaying the plurality keys in a designated location based on the stored key display information.