Soymilk can generally be stored for 3-4 hours at room temperature, 3-4 days in the refrigerator freezer, and 3-4 months in the freezer. Soymilk is very rich in vegetable proteins, and bacteria will multiply rapidly at room temperature to cause deterioration. Soymilk can generally be stored for 3-4 hours at room temperature. If placed in the refrigerator, the low temperature environment will slow down the propagation of bacteria in the soybean milk, can be stored for 3-4 days, if placed in the freezer, can be stored for about 3-4 months. Drinking spoiled soymilk can cause diarrhea and other gastrointestinal discomfort, soymilk preservation and drinking also need to pay attention to the following points: soymilk is best to drink now; drink not finished soymilk should be boiled immediately after the lid, and so on cooled into the refrigerator in a timely manner. Put in the refrigerator frozen soybean milk, can not be taken out to drink directly, should be thoroughly heated and boiled before drinking. In short, soybean milk is a nutritious drink, usually can be appropriate to drink, but in the preservation must follow the “now drink, timely refrigerated” principle.