Arteriosclerosis occlusive disease Preoperative precautions: 1, pay attention to the affected limbs to keep warm, avoid cold and warm stimulation. 2.Walking exercise, in order to facilitate the establishment of lateral limb circulation, pay attention to safety. 3. Soak feet in warm water and wear loose shoes and socks. 4.When the affected limb is broken, attention should be paid to keep clean. When the skin is itchy, don’t scratch with your hands to prevent scratching. 5, the pain of the affected limb, can not sleep at night notify the medical staff. 6.Quit smoking and drinking. 7.Patients should practice urination and defecation in bed. Postoperative precautions: after stenting: 1, the affected limb braking, lying position for 24 hours. 2.Postoperative should drink more water in moderation. 3.Tell the patient to defecate in bed. 4.If there is any discomfort, notify the medical staff in time. After artificial blood vessel diversion surgery: 1, bed rest, follow the doctor’s instructions to get out of bed activities. 2.Avoid pressure on the transplanted blood vessel site, don’t sit or stand for a long time. 3.Wear loose clothing and pants and shoes and socks. 4.Patients should notify doctors and nurses in time if they have diarrhea. Drink plenty of water. 5.Follow the doctor’s instructions to take medication on time, do not stop medication without authorization, regular review, discomfort follow-up. 6.Learn the self-check of arterial pulsation.