Display apparatus and method thereof

Disclosed is a display method for display device. The present invention comprises the steps of: displaying an interaction screen including at least one object; sensing the touch operation on the interaction screen; and changing the display state of the interaction screen to represent a physical action applied to at least one object by the touch operation if the touch operation is detected. Thus, the satisfaction of users for the interaction screen can be improved. [Reference numerals] (110) Display unit;(120) Sensing unit;(131-1) First interface;(131-2) Secondinterface;(131-3) Third interface;(131-4) Fourth intrface;(131-n) nth interface;(132) Network interface;(133) System memory;(134) Main PC;(135) Video processor;(136) Audio processor;(137) Graphic processing unit;(137-1) Rendering unit;(137-2) Calculation unit;(140) Storage unit;(150) Speaker;(160) Button