1. Take a bath and clean the skin the day before the surgery. Fasting and abstaining from food and water 6 hours before surgery. The operation lasts about 1 hour. 2.Anesthesia generally chooses lumbar anesthesia, and general anesthesia is also available. Lumbar anesthesia, that is, hemianesthesia, lumbar puncture, is inexpensive, and the patient remains awake during the operation and can communicate with the doctor. Individual patients have a small lumbar spinal space, which makes puncture difficult and may require multiple needles. After the operation, the patient needs to lie flat with the pillow for 6 hours. Very few patients may have headache after lumbar anesthesia. General anesthesia means general anesthesia, and patients can walk on the floor after waking up from the anesthesia, but it is more expensive, and individual patients may have pain and discomfort in the throat after surgery. Patients under general anesthesia have their heads tilted to the side after surgery to prevent saliva or vomit from being inhaled into the respiratory tract and causing respiratory infections. 3, after anesthesia surgery, individual patients may have short-term digestive function loss, do not want to eat, or even nausea, vomiting. After lumbar anesthesia, routine infusion to supplement nutrition and fluids. After 6 hours after surgery, a small amount of food can be eaten gradually. 4. Elevate the leg about 20 degrees after surgery to promote venous reflux. If you find blood leakage or inadvertent wetting of the wound dressing, you should inform the doctor and nurse in time and change the dressing if necessary to prevent infection of the incision. 5.After anesthesia, the lower limbs should be moved as soon as possible (patients can move their joints passively or actively in bed) to promote blood return to the lower limbs. After 6 hours of lumbar anesthesia and about 1 hour after waking up from general anesthesia, you can walk on the ground, but you should pay attention to safety. This is very beneficial for increasing the depth of breathing, restoring gastrointestinal function and improving appetite; it also has a positive role in preventing complications. 6. Some patients are not used to urinating in bed after surgery, or they cannot urinate due to post-anesthesia urinary reflex disorder, so they should inform the doctor and nurse in time, and if necessary, a catheter should be inserted. In addition, you can practice urinating in bed before surgery. 7. Medical elastic stockings should be worn for 3~6 months after surgery. In January after surgery, the affected limb will have pigmentation and molting, and some patients will have mild swelling of the affected limb and numbness of the ankle.