The raw materials of five-grain soymilk are soybeans, corn, millet, black rice, buckwheat, oats, red beans, sorghum, and mung beans. Its preparation method, is to soak the grains and cereals and then grind, then filter, boil and drink. This kind of raw materials and recipe made of five grains soy milk is more suitable for diabetic patients. However, since most of its ingredients are grains and contain more carbohydrates, diabetic patients still need to control the amount of each drink when drinking it, and should reduce the amount of daily staple food when drinking it. As it is a whole grain ingredient, it is rich in dietary fiber and many kinds of vitamins, and diabetic patients can regulate blood sugar and blood lipids by drinking it for a long time.