Having discomfort after cardiac stenting depends on the specific analysis of what causes the discomfort. Some patients still have angina symptoms after cardiac stent implantation, such as chest tightness after activity, because stent implantation only solves the problem of large blood vessels, but not the problem of small blood vessels in the heart, which will still produce insufficient blood supply, and they have to receive medication at this time, not because stent implantation is not done well, but because with the current medical and technological conditions, it can only solve It is not because stenting is not done well, but because with the current medical and technological conditions, it can only solve the blockage of large blood vessels, but not the blockage of small vessels. There are also many patients who feel uncomfortable and have a foreign body feeling after the procedure, in fact, most people should not have this phenomenon, mainly because the patient’s psychological burden is relatively heavy, relax and moderate exercise.