The invention provides a method for preparing a bread natural flavor additive through sprouted wheat, and belongs to the technical field of food processing. According to the method, qualified wheat seeds which are subjected to strict quality screening are chosen, and the wheat seeds are subjected to cleaning, soaking, sprout cultivation, elutriation and drying, crushing and screening and baking to obtain the bread natural flavor additive. According to the additive, the sprouted wheat seeds are used as raw materials, so that the additive enables bread to have natural wheat aroma and scorch aroma and to be rich in flavor. Compared with common bread, the bread added with the additive is rich in dietary fiber, y-aminobutyric acid and the like, and nutritive value of the bread is improved.