The present invention relates to a soymilk with additive of vitamin C, vitamin C salts or vitamin C stereoisomer, wherein the soymilk with vitamin C additive is made by adding an ascorbic acid into a drink fabricated by using at least one kind of bean as the raw material, and the soymilk with vitamin C additive is helpful to increase the iron absorptivity in small intestine, the additive dosage of the ascorbic acid is ranged from 25 mg/100ml to 50 mg/100ml. The soymilk with additive of vitamin C salts is made by adding an ascorbate into a drink fabricated by using at least one kind of bean as the raw material, and the equivalent dosage of the ascorbate ion provided by the ascorbate is ranged from 25 mg/100ml to 50 mg/100ml. Moreover, The soymilk with additive of vitamin C stereoisomer is manufactured by way of adding an ascorbic acid stereoisomer into a drink made by using at least one kind of bean as the raw material, and the dose of the equivalent dosage of the ascorbate ion provided by the ascorbic acid stereoisomer is ranged from 25 mg/100ml to 50 mg/100ml.
