The invention discloses a special feed capable of promoting digestion and preventing diarrhoea for weaned piggies. The feed comprises the following raw materials: corn, puffing soybeans, fermented peanut meal, permeate high protein powder, plasma protein powder, pineapple leaf meal, mulberry leaf powder, silkworm chrysalis powder, earthworm powder, phytase, plant essential oil, calcium formate, calcium bis(2-hydroxy-4-(methylthio)butyrate), lactose, mannan oligosaccharides, glyceryl tributyrate, composite trace elements, complex vitamins, compound amino acid, spina date seeds, haws, fleeceflower roots, Chinese yam, Chinese wolfberry fruits, nanometer zinc oxide, nanometer titanium dioxide, dried marine algae powder, and a microecological preparation. The special feed capable of promoting digestion and preventing diarrhoea for weaned piggies, provided by the invention, is reasonable in formula, comprehensive in nutrients, and easy to digest, can meet the nutritional requirements of the growth of the piggies, and can improve the immunity of the piggies, and prevent the diarrhoea of the piggies. According to the feed, the food consumption of the piggies is increased, and the growth of the piggies is promoted.