The most important function of this drug is to relieve the symptoms of angina pectoris, especially chest pain caused by narrowing or blockage of the coronary arteries. Second, this drug if sublingual can make the drug quickly through the blood flow to the coronary arteries, dilation of blood vessels, temporary improvement of symptoms, timely symptomatic treatment. Third, this drug can also play a role in lowering blood pressure through vasodilation. Because of its vasodilating effect, this drug is also useful for improving symptoms of acute or chronic heart failure. Fifth, this drug is a proprietary Chinese medicine that can also help relieve negative emotions such as anxiety and depression. In conclusion, quick-acting heart pill is an important medication for coronary heart disease.