1. Soak soybeans in a thermos cup: whether you use soybeans to make tofu or drink soy milk, you must soak soybeans before using them. First, prepare a clean thermos cup and pour the dried soybeans into it.

2. Then boil a pot of boiling water, pour the boiling water into the thermos cup, cover the cup and let it stand for 1-2 hours, and you can soak the soybeans dry. It is better to have twice as much water as soybeans.

3. Stir-fry soybeans: put the wok on the fire, pour the dried soybeans into the wok and stir-fry until there are cracks on the surface of the soybeans, and then pour them out when they turn yellow.

4. Pour the fried dried soybeans into a basin, and add a proper amount of cold water, preferably to submerge the water level of the soybeans; Then stand for 1-2 hours to soak the soybeans.

5. Soak soybeans in hot water: Or you can soak soybeans in hot water directly, just a little slower. First, clean the prepared dried soybeans, then pour them into the container, then pour in the hot water that submerged the soybeans, and finally cover them and soak them for 3-4 hours.

6. Before soaking soybeans, it is important to pick out the inferior soybeans in the dried soybeans, then rinse them twice with cold water, and then drain them before soaking.