Weaned piglet feed additive and preparation method thereof

The invention relates to the technical field of a feed additive, in particular to a weaned piglet feed additive and a preparation method thereof. The weaned piglet feed additive is prepared from the following raw materials of attapulgite powder, oligosaccharide, glutamine, natural plant compositions, fermented bean meal, chlorogenic acid, taurine, sodium chloride, ferrous sulfate, probiotics, lysine, tryptophan, citric acid, vitamin B1, vitamin C, vitamin D3, whey protein, lactic acid powder, lysozyme, fish meal and glucose; the natural plant compositions are prepared from the following raw materials of herba portulacae, elm tree leaves, herba patriniae, locust tree leaves, chenopodium album linn, endive, fructus crataegi, liquorice roots, radix astragali, radix angelicae sinensis, orangepeel, semen plantaginis, gynostemma pentaphylla, radix codonopsis and fructus psoraleae. The weaned piglet feed additive can be used for preventing the diarrhea of weaned piglets, promoting the growthof the weaned piglets and