Tanshinone injection is generally referred to as tanshinone IIA sodium sulfonate injection, which is a kind of drug used to assist in the treatment of coronary heart disease, angina pectoris and myocardial infarction. This drug can increase coronary flow, improve collateral circulation and local blood supply of myocardium in ischemic area; improve metabolic disorder of hypoxic myocardium, improve myocardial hypoxia resistance, inhibit platelet aggregation and anti-thrombosis. To relieve heart diseases caused by myocardial ischemia and myocardial metabolic disorders. Adverse reactions such as rash, maculopapular rash, dermatitis, chills and abdominal pain may occur in individual cases after use of the drug, which can be gradually relieved after stopping the drug. This drug should not be mixed in syringes or infusion bottles and should be used alone whenever possible. This product should not be used in combination with aminoglycoside antibiotics such as ambroxol hydrochloride, cimetidine, and parzufloxacin mesylate. This product is forbidden to be used in combination with drugs containing heavy metals such as magnesium, iron and calcium. The use of children, pregnant women, lactating women, is not yet clear. It is forbidden to use this drug if you are allergic to it. The specific dosage and usage of the above drugs should follow the doctor’s instructions, and should not be used on their own to avoid adverse reactions.