Xiangdan Injection is a Chinese medicine preparation, mainly composed of Chinese herbal medicines Dan Shen and Ginseng, which is used for the treatment of cardiovascular diseases, with the effect of dilating blood vessels and increasing coronary blood flow, and can be used for the treatment of myocardial ischemia, angina pectoris and the sequelae of myocardial infarction. It needs to be injected intravenously, and the specific dosage is 10-20 ml once, diluted with 250-500 ml of 5%-10% glucose injection and then dripped intravenously. It can be used 1-2 times a day or as prescribed by the doctor for treatment, and the dosage may vary according to the condition. Because it is a Chinese medicine preparation, it can be used alone during intravenous drip, and is not suitable to be mixed with other drugs to avoid adverse chemical reactions.