Double function operation touch screen component for palm type device and the method

The invention discloses a double-functional operating touch screen component applied to a palm-type device and a method thereof. The touch screen component comprises a touch screen, an induction unit, an instruction execution unit and a cursor conversion unit. The invention has the method that: a touch signal is provided and input according to one touch screen, and an image is displayed; the touch signal is received to calculate a touch position signal; a corresponding operation instruction is executed according to the touch position signal; and that an output image signal is selectively activated in an initiative or a passiveness way is provided, then the touch position signal is triggered to be transformed into a cursor track signal which corresponds to the operation instruction at the same time, and the cursor track signal is displayed on the output image signal. The double-functional operating touch screen component applied to the palm-type device and the method thereof of the invention can realize that the purpose of achieving different use/operation functions is achieved under a single entitative device.