High tibial osteotomy surgery is relatively large, blood loss is relatively large, after the operation must be well monitored, pay attention to observe the patient’s blood pressure, blood oxygen saturation situation. Because the blood loss caused by this kind of surgery is relatively large, it is necessary to review the blood routine in time and observe the dynamic changes of hemoglobin. In addition, the wound needs to be treated in time, for the postoperative incision problem, must pay attention to the observation of blood seepage and the blood flow of the limb, if the incision around the relatively dry, no obvious oozing, good blood pressure, no obvious redness, swelling, heat, pain, that is to say that there is no problem with the incision. The most important thing is that after amputation surgery patients tend to fluctuate emotionally, must do a good job of psychological guidance, amputation surgery on the patient’s psychological blow is relatively large.