In general, soy milk at any time to drink supplemental nutrient effect is better, and there is no fixed time. The main ingredients in soymilk are water and protein, and its protein belongs to high-quality vegetable protein, which is better absorbed and utilized by the general population. In addition to protein, it also contains lecithin, unsaturated fatty acids, vitamin B2, calcium, potassium, phosphorus, and fiber and other nutrients. It can provide more comprehensive nutrition for the human body. The general population can usually drink soymilk at any time of the day or night, and there is no research to show what time of day is best for drinking soymilk, or that drinking soymilk at a particular time of day or night has any particular therapeutic benefits. Drinking soymilk at any time does not affect the absorption of its nutrients. General population, moderate drinking soybean milk is conducive to replenish the body’s essential nutrients, for the greater health benefits, do not need to drink a fixed time. It should be noted that beans contain some oligosaccharide in the intestinal tract is easy to produce gas, so the people with bad stomach should avoid excessive intake at once, easy to make the burden on the stomach and intestines, may also cause loss of appetite and abdominal distension and other symptoms. The people who are allergic to soy milk should be prohibited to drink. Drinking soybean milk after discomfort is recommended to the hospital in time.