You can drink soy milk when you are pregnant. Soy protein content of up to 40%, is a high-quality protein, containing essential amino acids, of which the lysine content is higher than grains, is the most reasonable and closest to the proportion of plant foods required by the human body. In addition, milk has a high content of methionine, which can supplement the content of methionine in soy protein. The complementary animal and plant proteins make the ratio of amino acids more reasonable, and are more conducive to the digestion and absorption of the human body. In the process of homemade soybean milk, you can add mung beans, red beans and other types of beans to soybeans, with a mixture of beans made out of soybean milk, a variety of nutrients complement each other, more beneficial to health. Drinking soybean milk, but also pay attention to the dry and thin collocation, so that the soybean milk protein in the role of starchy food, more fully absorbed by the body, while paying attention to eat more vegetables and fruits, nutrition is more balanced.