Danshen Polyphenate for Injection has the efficacy of activating blood circulation, resolving blood stasis, and clearing the veins, and can be used clinically to treat patients with chest pain, chest tightness, palpitations, and other symptoms. Clinically, 200 mg of this drug is often dissolved in 5% dextrose or 0.9% sodium chloride solution 250-500 ml, and then administered by intravenous drip, usually 1 time/day for 2 weeks. The main ingredient of Danshen Polyphenolates for Injection is Danshen Polyphenolates, which is an active ingredient extracted from Danshen, because of its efficacy in activating blood circulation and removing blood stasis, it can be used for the treatment of chest pain, chest tightness, palpitation and other symptoms caused by blood stasis. It should be noted that this drug should be used with caution in patients with bleeding tendency and is contraindicated in pregnant women. Adverse reactions such as dizziness and headache may occur after the use of this drug, and some patients may have elevated serum ghrelin during the use of this drug, which can be relieved after stopping the drug. If chest pain, chest tightness, palpitations and other discomforts occur, please go to the hospital, please ask the doctor to clarify the cause of the disease before treatment, do not blindly use the drug on their own.