The invention relates to a food processing method, in particular to a method for producing dried beef. The method comprises the steps of primary salting, sealing, discharging from a cylinder, addition of plant soot, cooking, airing, packing and the like. The back plant soot is coated on the cooked beef in order to present red and bright beef, does not destroy the taste, and has no harm to the human body. The dried beef is dry but not hard, ruddy but not soft, ruddy and bright, and has fresh taste, proper taste, lingering aftertaste, full color, fragrance and taste and rich nutrition. Due to back surface and red core, the dried beef frees imagination; and when the dried beef is associated with the valiant general Zhang Fei of Three Kingdom Shuhan, the eaten beef implies historical flavor. A dry powder leaven applied to salting the aired dried beef can shorten the fermentation time in the existing aired dried beef production process, and has good application prospect. Moreover, the raw materials are simple, the operations are convenient, and the prepared beef has good taste and quality, high practical value and is suitable for popularization.