The utility model relates to the field of medical equipment, be a three -dimensional virtual reality match pedicle screw puts into laser assistance -localization real -time guiding device very much. The utility model discloses a positioning element, a pair of pilot pin and a pair of drilling needle, positioning element includes probe distance adjusting device, a pair of telescopic canular rods and a pair of access arm, two telescopic canular rods angulation alignment jigs, and two access arm are installed on two telescopic canular rods, are equipped with a locking mechanical system on the angle modulation frame, telescopic canular rods is cup jointed in proper order by the loop bar and forms, is provided with the 2nd locking mechanical system between two loop bars, be equipped with guide channel in the access arm, pilot pin and drilling needle are all worn to establish in guide channel, are equipped with the 3rd locking mechanical system between access arm and the pilot pin, probe distance adjusting device includes sleeve pipe, pole setting, passageway pipe, gear and a pair of rack, is equipped with fourth locking mechanical system on the sleeve pipe, two racks do not articulate on two telescopic canular rods. The utility model discloses the cost is lower again simultaneously can to reach the accurate positioning.