The overall cost of coronary artery bypass surgery is around 120,000-150,000 RMB, which is mainly composed of the cost of surgery, materials, care, drugs, and extracorporeal circulation. In general, coronary artery bypass surgery is performed when there is diffuse lesion in three branches of the coronary artery or when there is a combination of lesion in the left main stem and too many stents or poor results. The cost may vary from region to region depending on the health insurance payment policy. After the surgery, patients have to take long-term coronary dilation and anticoagulation drugs to maximize their life expectancy, and do regular review and adjust the dosage of drugs according to the results of the review.