Probiotics have been used to treat animal models of high-fat diet-induced liver injury.However,research on the relationship between probiotic food and NAFLD is inadequate.Lactobacillus planticola,Bifidobacterium bifidum and Lactobacillus casei were screened to ferment soybean milk with good flavor and shape in the proportion of 40%L.planticola,30%B.bifidum and 30%L.casei.