Soybeans are not toxic without soaking. Do you need to soak the soybeans for soymilk? How long to soak? The main thing is to determine the function of the soybean milk extractor. Some of the power of the extraction of soybean milk machine is able to dry extraction, and is emphasized dry extraction, according to their sub-interpretation: no soaked soybean grinding out of soybean milk protein content than soaked soybean grinding out of the higher than foaming to visible bud embryo is even higher, so only need to beat while putting water on the side can be. If the power is small, if you don't soak the soybeans a little softer, it has no power to break the soybeans, to small can not beat the soybeans into fine powder.