The invention discloses sugar-free homogenate diet which is characterized by being prepared by mixing the puffing rice meal, puffing corn meal, puffing oat meal, soy protein, controlled-release maltodextrin, dietary fiber, vegetable fat, whole-fat milk powder, egg powder, fish meat powder, carrot powder, isomalt, mineral premix and vitamin prefix. The product disclosed by the invention is rich insoluble dietary fiber as well as insoluble dietary fiber, can obviously slow the digestive absorption of glucose after eating so as to reduce glycemic index, and can obviously improve the intestines and stomach functions and reduce the blood cholesterol level; particularly, the product contains trivalent chromium which plays an important part in regulating glycometabolism and keeping normal tolerance in vivo and also acts on the transphosphorylase in glucose metabolism to prevent and cure diabetes mellitus; and moreover, the carbohydrate of the product is high-molecular carbohydrate such as controlled-release maltodextrin, oats, corn and the like, and sugar alcohol not influencing the blood sugar level is also added.