Coronary heart Shutong capsule belongs to Chinese patent medicine, containing many kinds of Chinese herbs, such as Guangzhao, Salvia miltiorrhiza, Clove, Ice tablet, Geranium and so on, which are combined together to make this drug has the effect of activating blood circulation and removing blood stasis, activating the meridians and collaterals, and promoting the flow of Qi to relieve pain. It is used in clinical practice for chest paralysis, cardiac blood stasis syndrome, where patients can manifest chest pain, chest tightness, panic and shortness of breath. Some patients with coronary heart disease and angina pectoris can also apply this drug for treatment if they have the above symptoms. In order to ensure that the efficacy of this drug is needed, the following three points should be noted: the first point, the dosage. This drug is used to be taken orally, 3 capsules at a time, 3 times a day, pay attention to 4 weeks as a course of treatment. The second point, adverse reactions. Individuals may experience nausea and stomach discomfort after taking the drug, and be aware that frequent nausea and vomiting may affect heart function. Third point, precautions. Patients with severe angina can not use this drug alone, can be used in combination with nitroglycerin and other drugs, or go to the regular medical institutions for consultation.