The quick-acting heart pill and nitroglycerin do not say which is better, the quick-acting heart pill is a Chinese medicine, nitroglycerin belongs to the Western medicine nitrate drugs. Both drugs have the effect of treating unstable angina of coronary heart disease. But compared to quick-acting heart pill, nitroglycerin is fast-acting and relatively strong, but quick-acting heart pill lasts relatively long. The main purpose of quick-acting heart pills is to activate blood circulation and eliminate blood stasis to relieve pain, which is more effective in the clinical treatment of unstable angina pectoris of coronary heart disease. Usually can be taken under the tongue, for nitroglycerin is a western medicine nitrate drugs, if patients appear unstable angina, can also be taken under the tongue, usually nitroglycerin is relatively fast onset of action, but the effect time is relatively shorter than quick-acting heart pill. Both can be taken at the same time or in combination for unstable angina. If the patient does not improve significantly after 30 minutes or so of sublingual administration, he or she must immediately go to the hospital for medical attention.