Drinking soy milk must be cooked and boiled thoroughly, everyday people drink soy milk after nausea, vomiting, vomiting and diarrhea and other gastrointestinal symptoms. These symptoms are due to soy products, containing anti-nutrient substances, such as antitrypsin, lipolytic enzymes and phytoerythrocyte agglutinin, but anti-nutrient substances can be destroyed by cooking and boiling. These substances will not have the corresponding harm after destruction, so drink soy milk should be cooked, cooked thoroughly, to remove the anti-nutrient substances. It is safer to boil soy milk for more than five minutes on a civilian fire, which will generally cook the froth off. Soy milk and milk have the same appearance and are both sources of high quality protein. However, soy milk is different from milk, especially in terms of calcium and vitamin D content, etc. Soy milk cannot replace milk, it is two kinds of food, it is recommended to drink both, soy milk cannot replace milk.