After stenting usually refers to the heart after stenting, if it is combined with coronary artery spasm can also be taken, if the coronary artery lesions more need to take. Coronary artery disease coronary artery lesions, only 1 to 2, belong to the local stenosis, stenting coronary artery blood supply is good, close to the normal coronary artery state, but if the combination of coronary artery spasm can also be taken to relieve coronary artery spasm caused by the symptoms of chest tightness, chest pain. Coronary artery lesions, the need to place multiple stents during surgery, and surgery can not completely solve the problem of coronary artery lesions, it is necessary to take nitrate drugs, such as isosorbide mononitrate to expand the coronary artery vasculature, improve the blood supply to the heart muscle. In this case, it is recommended to continue taking isosorbide mononitrate. Drugs taken after cardiac stenting need to be used reasonably under the guidance of a doctor.