Symptoms of myocardial ischemia due to coronary artery spasm include chest pain, chest tightness, and dizziness. Myocardial ischemia occurs when coronary artery spasm occurs, and the typical symptom is chest pain, which may be accompanied by sweating symptoms, mostly in paroxysmal episodes. Persistent spasm can lead to myocardial infarction, manifested as persistent chest pain. Coronary artery spasm can also be manifested as chest tightness, and myocardial ischemia ischemia related, a very small number of patients may be manifested as dizziness, may be and myocardial ischemic attack when the blood pressure is lowered leading to cerebral perfusion role. Patients who have had coronary artery spasm should go to the hospital in time, improve the coronary artery angiography examination if necessary, and follow the doctor’s instructions to give medication, oral aspirin, resuvastatin and isosorbide nitrate and other drugs.