1, adhere to the medication, according to the physician’s medical advice long-term oral antiplatelet drugs, which can prevent the formation of stents or intravascular thrombosis. Generally, it is recommended to take Bolivar orally for at least one year after interventional treatment, and to take BAY aspirin orally for a long time. If gum bleeding, skin petechiae or dark stools occur, please follow up with the hospital promptly. If there are contraindications to the use of drugs such as cerebral hemorrhage, gastrointestinal bleeding or ulcers, etc., you should promptly communicate with your physician to switch to other drugs. 2, absolutely no smoking, strict control of blood pressure, blood sugar, blood lipids, regular review, reduce the “three high” disease damage to the body. 3, adhere to the daily walking exercise, senior patients moderately reduce the requirements. After the appearance of calf muscle swelling and pain and then insist on walking dozens of steps after rest. Limping patients should reach close to the maximum pain when the exercise is best to stop. If the walking distance is shortened promptly our department outpatient follow-up. If there is chest tightness, chest pain, breath-holding, dizziness, panic and other uncomfortable symptoms during exercise, the exercise should be stopped immediately and promptly go to the hospital. 4.If sudden lower limb skin temperature decrease, sensory loss, limb pain, or even activity restriction occurs, please go to the outpatient clinic in time. 5.After the surgery, review the artery condition at least once a year at the outpatient clinic. If the stent or the vessel is narrowed again, the balloon can be expanded and recanalized in time, so that the long-term patency of the artery can be maintained with less cost and minimally invasive method. 6. Pay attention to the warmth of the affected limbs and protect the skin of the lower limbs from damage. Because of oral blood-activating drugs, avoid bleeding from trauma and bump in daily life. 7, pay attention to a healthy diet, eat less and more meals, avoid excessive high-fat and high-sugar high-calorie food intake, eat more fruits and vegetables, hypertensive patients should pay attention to a low-salt diet, about 4-6 grams per day.