The invention relates to a nutritive defatting food. The nutritive defatting food comprises the following components of whey protein concentrate, hydrolyzed fish collagen protein, soy protein isolate,rice protein, inulin, psyllium husk, resistant dextrin, resistant starch, chenopodium quinoa willd, konjaku flour, chia seeds, fructo-oligosaccharide, xylooligosaccharide, isomaltulose, erythrite, steviosides, linseeds, linseed oil, CMC, medium chain triglyceride, conjugated linoleic acid glycerides, L-carnitine, ferment, complex vitamins, and composite mineral substances. The nutritive defattingfood is good in satiety, balanced in nutrients, and good in defatting effect.