Soy milk is rich in nutritional value, containing protein, fat, sugar, vitamins, calcium, magnesium and other components. Clinically there are no 9 contraindications to drinking soy milk, but there are some places that need attention, such as do not drink uncooked soy milk, do not drink too much, and some people are not suitable for drinking soy milk, but generally does not cause serious consequences: 1, uncooked drinking: soy milk contains saponin, trypsin inhibitors, fat oxidase, etc., uncooked drinking may stimulate the gastrointestinal tract, affecting protein Digestion and absorption, and even abdominal pain, diarrhea and other symptoms of poisoning; 2, excessive drinking: soy milk is rich in protein components, excessive drinking can increase the burden on the gastrointestinal tract, increase the burden on the kidneys, poor digestive function can appear abdominal pain, bloating and other gastrointestinal discomfort symptoms; 3, insulation cup preserved for a long time: soy milk is rich in nutrients, the use of insulation cup preservation of soy milk, a long time is easy to breed bacteria, so that soy milk deterioration. Therefore, it is recommended to drink immediately after making; 4, some disease patients: hyperuricemia, gout and digestive dysfunction patients are not suitable for drinking soy milk, soy products are rich in purines, high purine content in food can be converted into uric acid, which may aggravate the gout condition; 5, allergies: people allergic to beans are also not suitable for drinking soy milk, which may induce rashes, breathing difficulties and other symptoms; 6, drinking during medication. Soy milk contains high calcium content, which may affect the absorption rate of iron and aluminum drugs; soy milk contains acidic drugs, and acidic drugs such as aspirin, vitamin C, etc. taken together, can stimulate the secretion of stomach acid, inducing stomach discomfort, etc. It is recommended to drink soy milk after an interval of about 1 hour before taking drugs.