Nitroglycerin is the fastest way to relieve heart pain, nitroglycerin can be sublingual, through sublingual, the drug can directly enter the sublingual vein, quickly make the coronary artery vasodilatation, the fastest onset of action, generally 1-2 minutes to take effect. Heart pain should not be taken lightly and should be taken seriously enough. If the symptoms of nitroglycerin are not relieved, you must go to the hospital in time. If you have symptoms of heart pain, it is advisable to go to the hospital for regular consultation and treatment, perform ECG heart-related examination, and if coronary angina is diagnosed, take coronary heart disease secondary prevention drugs on time, such as aspirin, clopidogrel, simvastatin, metoprolol, enalapril, isosorbide mononitrate, etc. Severe coronary artery stenosis requires sexual coronary artery stenting.