1. A method for displaying a three dimensional (3D) image comprising at least one object in a mobile communication terminal, the method comprising: receiving the at least one object for displaying; identifying attribute information of a content item or application associated with each of the at least one object; determining a depth of the at least one object according to the attribute information associated with the at least one object, wherein determining the depth of the at least one object comprises determining a disparity between a left object and a right object constituting the at least one object based on the attribute information, and wherein the disparity is determined to be one of crossed disparity, zero disparity, and uncrossed disparity; and displaying the object to reflect the depth.