Preparation method for enhancing immunity of black goats by using Chinese herbal medicines

The invention discloses a preparation method for enhancing immunity of black goats by using Chinese herbal medicines. The Chinese herbal medicines comprise raw materials including corn stalk, soybeans, wheat bran, fish meal, bone meal, soybean meal, eggshells, angelica sinensis, prepared radix rehmanniae, radix paeoniae alba, radix chuanxiong and fructus aurantii immaturus; all the raw materials are weighed in the weight ratio, and sand, metals and other impurities are removed from the raw materials; all the raw materials are mixed uniformly and crushed, and a mixture is obtained; water is added to the mixture for conditioning, and meanwhile, the conditioned mixture is inoculated with fermentation microorganisms for fermentation; the fermented mixture is subjected to fluidized bed spray drying and granulation, and the product is obtained. The Chinese herbal medicines added to the black goat fattening feed have no side effects on black goats, have effects of resisting germs, clearing heat, removing toxins, inv