The invention relates to a method and computer system capable of presenting program graphics user interface on the title bar of a window. The method includes the following steps. First whether a new operating window is established is determined; if it is yes, whether the new operating window conforms to a predefined window type is determined; if it is yes, and the new operating window includes a title bar and a coordinate location relative to the desktop, a target location relative to the desktop is calculated according to the coordinate location of the operating window; then, a program graphics user interface window is established; the program graphics user interface is located at the target location on the desk, wherein the program graphics user interface window is an individual independent of the operating window.