The main difficulty of pointing out of the visible light in the coaxal is can be transmission the optical material of infrared radiation but often unable to transmission. Given the space fixed position of focusing facula of lasers beam in difficulty. Same of the kinds of coaxied light system of point out are designed,through the clinical application of the exact of fixed position and quick and continues variable and the safe operation is reliable. The devolopings and applications of whole mechine system of the a way of technology is supplied for.