Surgery for o-legs is usually done in 5 steps: positioning, incision, implantation of a figure-of-eight plate, fixation of the plate and screws, and suturing of the incision. O-shaped leg surgery can improve the symptoms of poor leg shape caused by congenital or acquired factors, and the results are generally better after recovery. o-shaped leg surgery, under normal circumstances, will not affect the patient’s normal life and work. O-shaped leg surgery process: 1. Positioning: the first thing is to locate, you can use intraoperative C-shaped arm or G-shaped arm positioning. 2. Make incision: Make incision according to the position of positioning. 3. Implanting the figure-of-eight steel plate: implant the figure-of-eight steel plate into the leg. 4. Fixation of plate and screws: After implanting the figure-of-eight plate, screw in the fixation screws and do the positioning again. 5. Suture the incision: Make sure that the position of the figure-of-eight plate or screw is normal, if everything is correct, sew the incision closed.