Quick-acting heart pill is a common drug for the treatment of angina pectoris, used to improve ischemia and relieve symptoms during an angina attack, and contraindications are relatively few, no serious adverse reactions, most people can be well tolerated. The use of its dosage should be noted, choose sublingual, not recommended orally, can directly enter the blood circulation, the effect is faster, a use of 4-6 capsules can play a blood circulation, increase the role of coronary blood flow, fast and effective relief of angina symptoms, prevention of myocardial infarction and treatment of angina. If the acute attack of angina pectoris is urgent and severe, the dose can be doubled to a maximum of 15 capsules at a time to provide more effective pain relief and reduce the frequency and degree of angina pectoris attacks.