Generally do not think that soy milk, cereal co-eating will bring harm, but consuming too much may cause flatulence, gastrointestinal weakness may induce gastrointestinal discomfort. 1. Soymilk: Soymilk raw materials for soybeans, which is rich in nutrients such as protein, iron, calcium, etc. In addition, each 100 grams of soy milk (unsweetened) contains 16 calories, of which 1.1 grams of carbohydrates, 1.8 grams of protein, 0.7 grams of fat, 1.1 grams of dietary fiber, potassium 48 milligrams, calcium 10 milligrams. Soymilk also contains oligosaccharides, oligosaccharides in the body decomposition will produce a portion of the gas, so a large number of consumption of soy milk may induce flatulence. 2. cereal: cereal belongs to a kind of coarse grain, which is rich in dietary fiber and carbohydrates and other nutrients. Every 100 grams of cereal contains 368 calories, 67.3 grams of carbohydrates, 7.4 grams of fat, 2.4 grams of protein, 8.6 grams of fiber, 306 milligrams of potassium, 6.13 micrograms of selenium. However, the process of digesting dietary fiber will bring a certain burden on the gastrointestinal tract, so people with weak gastrointestinal function should pay particular attention to moderate consumption to avoid abdominal pain, diarrhea and other gastrointestinal discomforts. In addition, soymilk, cereal does not contain obviously conflicting components, so it is generally believed that the two can be eaten together. In summary, soy milk and cereal can be eaten together, but attention should be paid to the dosage, and people with weak gastrointestinal tracts should pay particular attention to this point. If there is any discomfort, it is recommended to seek medical advice at any time. Soy milk should not be consumed by those who are allergic to soy, and it should be fully boiled before consumption.