Coronary artery stenting is a very mature procedure that has been carried out in China for more than 30 years, and the specific cost varies greatly. The total cost of implanting a stent, plus the cost of the balloon plus the guidewire, is generally around 30-40,000 yuan, the key is the cost of the stent, there are imported and domestic stents, the most expensive imported stent should be around 20,000 yuan, the cheapest domestic stent should be around 9,000 yuan. So the total cost of simply implanting a stent is generally in the space of 30-40,000 yuan, are relatively normal, if the difference is relatively large, there is definitely a problem.