It is best not to drink soy milk during pregnancy because it contains high protein and fat, as well as trace elements and minerals, which are not easily digested and absorbed and will increase the burden on the stomach and intestines, leading to abdominal distention, nausea, vomiting and loss of appetite. During pregnancy, if you have gastrointestinal discomfort, you should pay attention to a light diet, eat millet porridge or soft noodles, egg soup, and also eat fresh vegetables in moderation, such as cabbage, chard, tomatoes, do not eat meat that is too greasy, and do not eat spicy, stimulating food and cold fruits and vegetables to avoid overburdening the gut and aggravating the condition.