The invention discloses a preparation method of convenient nutritional shredded bean. The preparation method comprises the following steps: 1) preparing the following raw materials: rice, mung beans, sweet potatoes, apples, figs, white
hyacinth bean flowers, radix puerariae
powder, a mint extracting solution, modified
chitosan,
centella asiatica
fermentation liquor and water; 2) soaking the rice and the mung beans for 10-12 h, then uniformly mixing and stirring the soaked rice and mung beans with
fermentation liquor of radix puerariae
powder, sweet potatoes, apples, figs and
centella asiatica, and performing sealed
fermentation at normal temperature for 10-12 h to obtain a mixture A; 3) adding the mixture A and the white
hyacinth bean flowers into a pulping
machine for pulping, and adding a
mixed solution of the mint extracting solution, the modified
chitosan and the water while pulping so as to obtain pulp; 4) baking the pulp into round roll cakes by using a pan or a
nest-shaped pot, and 5) naturally cooling the roll cakes, then
cutting the roll cakes into shreds, and
drying the shreds in the sun or baking the shreds to obtain the convenient nutritional shredded bean which is rich in
nutrition and has the effects of reducing
blood pressure and
total cholesterol.