Creatine phosphate acts mainly to protect cardiac myocytes and improve myocardial metabolic abnormalities in ischemic states when added to cardiac arrest fluid during cardiac surgery. The method of use and dosage may vary according to different dosage forms and specifications. Action: Creatine phosphate has the ability to protect cardiomyocytes and improve the metabolic abnormalities of cardiomyocytes under ischemic state because the drug can effectively stabilize the cell membrane. It can inhibit platelet aggregation, improve myocardial ischemia microcirculation, and even regulate blood circulation in the body and nourish myocardial cells. Instructions for use: usually due to differences in different dosage forms and specifications, the injection is usually used in the clinic, and its use of the drug should be in accordance with the doctor’s instructions, usually each time the prescribed dose is added to saline or glucose solvent, intravenous drip, which needs to be used 1~2 times a day. In cardiac surgery, it is added to the cardiac arrest fluid at a concentration of 10 mmol/L. In conclusion, the use of the drug needs to be carried out under the guidance of a specialized doctor, strictly follow the indications, and use the drug as prescribed by the doctor.