The invention provides conditioning powder suitable of being eaten by a diabetic patient. The conditioning powder comprises 6-12 parts of water-soluble dietary fiber extractive, 0.1-1 part of wheat germ extractive, 0.1-1.5 parts of soybean protein isolate, 1-3 parts of secalin, 0.5-2 part of vegetable fat powder, 0.2-1.5 parts of Chinese yam extractive, 0.2-1 part of sealwort extractive, 0.2-1 part of mulberry leaf extractive, 0.2-1 part of polygonatum odoratum extractive, 0.1-1 part of medlar extractive, 0.1-0.3 part of flaxseed gum, 0.5-2 parts of L-arabinose, 0.09-0.3 part of yeast and 0.001-0.006 part of zinc gluconate. The conditioning powder is low in carbohydrate content, has abundant nutrients, is particularly suitable for serving as food of the diabetic patent, has the remarkable hypoglycemic effect and the conditioning function, has the prevention and treatment functions on various diabetic complications, and particularly has the good conditioning effect on a diabetes type nephropathy patient. The nutrients of the conditioning powder are easy to digest and absorb. The conditioning powder is convenient to eat and good in taste.