The invention discloses a feed for preventing and controlling tortoise-turtle red white disease, and belongs to the technical field of tortoise-turtle feed processing. The feed comprises the following raw materials: ampullaria gigas, potatoes, cassava, earthworms, acridid, salt, dimethyl-beta-dimethylpropiothetin, glycine betaine, phenylalanine, cytidylate, sodium diacetate, stevioside, and Chinese herbal and crude drugs preparations. The feed is prepared by drying, crushing, screening, mixing, pelletizing, drying, cooling and packaging. The feed synthesizes the effects of Chinese herbal and crude drugs, and can play the effects of clearing away heat and toxic materials, cooling blood and swelling, and resisting bacteria and resisting inflammation, the tortoise-turtle disease resistance is enhanced so as to effectively prevent and control tortoise-turtle red white disease and reduce the death rate of the tortoise-turtle; the feed is abundant in nutrition, reasonable in preparation, and capable of improving the tortoise-turtle palatability, increasing tortoise-turtle food consumption and growth speed, and shortening the production period; the feed disclosed by the invention adopts a simple preparation method, strong in operability and easy to popularize.