Method for preparing whole bean high-fiber high-concentration preserved soya-bean milk

The invention discloses a method for preparing whole bean high-fiber high-concentration preserved soya-bean milk, and belongs to the field of soybean processing. In the method, the whole bean high-fiber high-concentration preserved soya-bean milk is prepared from soybeans through sorting, immersing, defibrination, pulp boiling and enzyme killing, superfine grinding, mixing, degasification, homogenizing, quantitative filling and packaging, sterilization, cooling and drying. The method has the advantages that bean dregs can be utilized completely to ensure that the products have smooth mouthfeel and high nutritive value; the soya-bean milk can be infused by cold water or hot water for drinking, and has the advantages of convenient use and long storage time; and the zero emission production of the soya-bean milk is realized, and the environment is protected.