The main ingredient of Lei’s Danshen Tablets is Danshen, which has the effect of activating blood circulation and resolving blood stasis. It is mainly used for the treatment of chest paralysis and heart pain stabbing pain, usually with fixed pain, view the purple and dark tongue, and the stringent and astringent pulse. It is clinically effective in the treatment of coronary arteriosclerotic heart disease and is widely used. The dosage should be in accordance with medical advice and there are no obvious adverse reactions, and a few patients may have allergic reactions. Due to the effect of activating blood circulation and removing blood stasis, pregnant women and women during menstruation are prohibited from taking it. If the symptoms of angina pectoris are obvious, seek medical attention in time to avoid delaying the disease.