The dosage of polyenophosphatidylcholine injection instructions are divided into intravenous injection, intravenous infusion, the dosage is different in different ways, can not be generalized. 1. Intravenous injection: adults and adolescents usually inject 1-2 ampoules daily by slow sedation, and 2-4 ampoules daily in severe cases. The amount of 2 ampoules can be injected simultaneously at one time; only clarified solution should be used; it should not be mixed with any other injection solution. 2. Intravenous infusion: 2-4 ampules daily in severe cases. If necessary, the daily dose can be increased to 6-8 ampoules; it is strictly prohibited to dilute with electrolyte solutions such as physiological sodium chloride solution, Ringer’s solution, etc.; if intravenous infusion is to be prepared, it can be diluted with glucose solutions that do not contain electrolytes, such as 5%, 10% dextrose solution and 5% xylitol solution. If prepared with other infusion solutions, the pH of the mixture should not be lower than 7.5, and the prepared solution should be kept clarified during infusion. Polyenophosphatidylcholine Injection is suitable for the treatment of hepatitis, chronic hepatitis, hepatic necrosis, cirrhosis, hepatic coma, fatty liver, bile obstruction and poisoning. A very small number of patients may have an allergic reaction to benzyl alcohol contained in this product. Due to the presence of benzyl alcohol in this product, it is contraindicated in neonates and premature infants. It is recommended to use the drug under the guidance of a specialized doctor.