The invention relates to baby formula milk rice flour containing chicken gizzard membrane, fructus cannabis, dried orange peel and radish seeds and a preparation method thereof. The baby formula milk rice flour containing chicken gizzard membrane, fructus cannabis, dried orange peel is refined mainly by rice meal, white granulated sugar, defatted milk powder, calcium hydrophosphate, biological calcium, composite vitamin and traditional Chinese medicines which comprise radish seeds, chicken gizzard membrane, fructus cannabis, and dried orange peel. Partial starch is hydrolyzed into a mixture of dextrin, oligosaccharide, maltose, glucose, and the like by utilizing a biological enzymolysis technology, the gelatinization degree of rice starch is further improved, the dextrin content is obviously increased, and a starch digesting index is obviously improved; and in addition, by adding effective components of the traditional Chinese medicines which comprise chicken gizzard membrane, fructus cannabis, dried orange peel and radish seeds, the baby nutritive milk rice flour has special health-care effects of moistening the intestine, defaecating, digesting, nourishing the stomach, activating qi, reducing phlegm, and the like on the basis of having rich nutrition and is suitable for a baby at 6-24 ages of the moon to have.