Lyophilized preparation of prostaglandin E1 methyl ester for injection and production and use thereof

A lyophilized preparation of prostaglandin E1 methyl ester for injection, wherein the lyophilized preparation comprises the following components by weight:

• 0.1-10 parts of prostaglandin E1 methyl ester, 500-4000 parts of an oil for injection, 500-2000 parts of an emulsifier, 0-10 parts of a co-emulsifier, 5000-50000 parts of a lyoprotectant, and 200-1500 parts of glycerin.

A method for producing a lyophilized preparation of prostaglandin E1 methyl ester for injection, wherein the method includes producing the lyophilized preparation with the following components as raw materials in weight percentage:

• 0.0001-0.01% of prostaglandin E1 methyl ester, 0.5-4% of an oil for injection, 0.5-2% of an emulsifier, 0-0.01% of a co-emulsifier, 5-50% of a lyoprotectant, 0.2-1.5% of glycerin, an appropriate amount of pH adjuster, and a balance of water for injection.