From the clinical presentation, it is an acute coronary syndrome, which definitely needs active examination and treatment. It is already clear that it is coronary artery disease. Coronary angiography will be performed directly, and the need for stenting will be determined according to the angiography, and most cases require stenting or bypass. If the lesion is limited, stenting can be done. If the lesion is more complicated or occluded, a bypass is required. The cost of stents and bypasses are calculated differently. The cost of stenting is very cheap, and the cost of the machine plus the cost of surgery is less than a few thousand dollars, mainly the cost of materials. It depends on the number of stents he uses. The total cost of putting two stents is 50,000 to 60,000.