1. Control blood pressure and heart rate, take oral antihypertensive drugs regularly as prescribed by the doctor, keep blood pressure within the normal range (systolic blood pressure not higher than 140 mmHg, diastolic blood pressure not higher than 90 mmHg), especially avoid blood pressure fluctuations. Heart rate should be controlled within 80 beats/min. 2.Improve lifestyle, moderate exercise, avoid strenuous exercise, low salt and low fat light diet, avoid emotional excitement, actively control blood lipids and blood sugar. 3.If hidden pain or tearing pain in the chest, back and shoulder occurs again, as well as other abnormal symptoms, please go to the local hospital immediately and review CTA. 4.Pay attention to the review (important), we recommend you to review regularly in our department: 3 months, 6 months, 9 months and 1 year after surgery: vascular ultrasound or CTA, after that, we recommend to review every 6-12 months in the vascular surgery clinic.