Cardioplegia has the effect of relieving chest pain, chest tightness, etc. When used, it should be used under the guidance of a doctor to avoid blind use of medication, causing adverse reactions, allergy, lactating women are prohibited from use. Cardiovascular belongs to a kind of proprietary Chinese medicine, Cardiovascular generally has the effect of dilating cerebral blood vessels, dilating coronary arteries, dilating peripheral blood vessels, and has a certain preventive effect on antiplatelets, blood glucose, blood lipids, and controlling blood pressure. It can also enhance the role of adenosine and cyclic adenosine monophosphate, improve the flexibility and deformation of red blood cells, improve microcirculation, reduce blood viscosity and other effects. Cardioplegia can be used to treat cardiovascular and cerebrovascular atherosclerosis and dizziness and other diseases, long-term overdose may cause heartburn, acid reflux, nausea, vomiting and other discomforts; if allergic to the use of people may cause itching, fever and other discomforts, pregnant women who use the drug may cause systemic discomfort, or even the possibility of miscarriage, allergic to people, lactating women, children and other groups of people. The use of the drug is prohibited. In the use of the drug, should be under the guidance of a doctor, not blindly self-medication, in order to avoid adverse effects.