Soymilk has the same nutrients as soybeans. The protein content of soybean is as high as 40%, and the quality can reach about 50%, which is more than twice that of lean pork and three times that of eggs. The amino acid composition of soybean protein is close to the amino acid needed by human body, and it belongs to complete protein, in which lysine content is more. Every100g of soybean contains about 35.8mg of iron, 418mg of phosphorus, and vitamin AB1B2D, etc. Modern medical research believes that soybean contains no cholesterol, and can lower human cholesterol, reduce the occurrence of arteriosclerosis and prevent heart disease. Soybean contains a substance that inhibits pancreatic enzyme, which has certain curative effect on diabetes. Therefore, it is recommended by nutritionists as an ideal health care product for preventing and treating coronary heart disease, hypertension and atherosclerosis. Eating soybeans regularly plays an important role in increasing and improving brain skills. Chinese medicine believes that taking soybeans can make people grow skin and benefit qi and color. It is a nourishing food suitable for the infirm, and has the effects of invigorating qi and nourishing blood, strengthening the spleen, calming the heart, benefiting the large intestine, moistening dryness and promoting diuresis.