The invention provides a nutrient composition capable of controlling high blood sugar of crowds suffering from type 2 diabetes and improving immunity. The nutrient composition is prepared from the following raw materials in parts by weight: 1-20 parts of a navy bean extract, 10-15 parts of inulin, 5-10 parts of resistant dextrin, 0.5-1 part of xylooligosaccharide, 0.2-0.5 part of ginseng, 0.2-0.5part of resveratrol, 2-60 parts of rhizoma polygonati, 0.5-1 part of kudzuvine roots, 0.05-0.8 part of bovine coloctrum, 0.2-0.4 part of beer yeast, 1-1.2 parts of wheat oligopeptide, 0.06-0.09 part of bitter gourd polypeptide, 0.01-0.03 part of lutein esters, 0.01-0.02 part of taurine, 0.01-0.014 part of vitamin B1, 0.01-0.014 part of vitamin B2, 0.01-0.014 part of vitamin B6, 0.00012-0.00024 part of vitamin B12 and 4-8 parts of Isomalt. The nutrient composition provided by the invention is scientifically prepared for the crowds suffering from type 2 diabetes, can solve the problem of maintaining nutrients comprehensive and balanced, can quickly and effectively control a forming mechanism for converting starch foods into sugar and a forming mechanism for converting starch foods into fat,and has the efficacy of quickly regulating blood sugar, controlling body weight, improving immunity of organisms, resisting weariness, regulating blood fat, improving osteoporosis, invigorating the kidney, tonifying the kidney and the like.