The invention relates to the technical field of dog food, in particular to dog food with an intestinal protection function. The dog food is characterized in that corn and peas are ground into powder as a main ingredient, lean pork and chicken are minced into minced meat as an auxiliary ingredient, and accordingly, high-quality protein and essential fatty acids can be provided for dogs; oligofructose and inulin can promote the breeding of lactobacilli and bifidobacteria in the intestinal tracts of the dogs; the contents of the lactobacilli and the bifidobacteria in the intestinal tracts of thedogs can be increased through lactobacillus powder and bifidobacteria powder; through endogenous bile acids, full digestion and absorption of grease can be promoted, excessive growth and accumulationof bacteria in the intestinal tracts can be avoided, and the intestinal micro-ecological balance of the dogs can be regulated; the final powdery food can be used for feeding the dogs after formation,so that the problems of dyspepsia and diarrhea due to gastrointestinal tract disorder caused by the fact that the dogs are easy to be influenced by various factors resulting in intestinal microecologyimbalance and mass propagation of escherichia coli and salmonella in the intestinal tracts are solved.