22 patients with ankle fractures have been operated on using a new kind of compression screw.According to modified cedell's methods authors analyses of the aspects about subject,object and roentgenography of all the pati- ents.The results show that the compression screw has the advantages of rigid fixation,compressive force etc.It not only improves fracture healing,but also effectively cor- rects the shortening fibula,permits the functional exercis- es early and improves the function recovery of ankle joint.