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/100 ml to 50 mg/100 ml. Moreover, the equivalent dosage of the ascorbate ion provided by the ascorbate or ascorbic acid stereoisomer is also ranged from 25 mg/100 ml to 50 mg/100 ml.
