The price of a coronary angiogram is around 5,000 yuan, which may fluctuate slightly up and down due to regional and hospital grade differences, but the fluctuations are not too great. Coronary angiography is the gold standard for the diagnosis of coronary atherosclerotic heart disease and is very widely carried out in the clinic. It can see the vascular path, blood flow rate, stenosis site of the coronary arteries and whether there are any congenital abnormalities in the development of the coronary arteries and so on. Its application is very widespread, and it is also unanimously recognized by patients. The procedure is very mature, and the volume of coronary angiography in tertiary hospitals can reach thousands of cases every year. Coronary angiography is currently reimbursed by medical insurance, no matter which type of medical insurance can reimburse part of the proportion, for urban workers’ medical insurance, the reimbursement ratio is almost 50%-60%.