Skull traction head ring

The utility model discloses a skull traction head ring which comprises a head ring body, positioning pieces and fixing pieces, the head ring body is in a C shape and is matched with the cross section of a skull, a plurality of first inner threaded holes and second inner threaded holes are symmetrically formed in the head ring body, each positioning piece comprises a first screw rod and a push plate, and each first screw rod and the corresponding second screw rod are matched with the corresponding first screw rod. The push plate is movably connected with the first screw rods through universal shafts, the first internal threaded holes are matched with the first screw rods, and the number of the first internal threaded holes is the same as that of the positioning pieces; each fixing part comprises a second screw rod, a skull nail is fixedly connected with the end part of the second screw rod, each second internal threaded hole is matched with the second screw rod, and the number of the second internal threaded h