Oatmeal as a kind of coarse grain cereal, contains carbohydrates, protein, fat, vitamins, minerals, dietary fiber and phytochemicals, has high nutritional value, but not everyone is suitable for consumption. There are two groups of people who are not suitable for eating oatmeal, namely those with digestive system dysfunction and those who are allergic to oatmeal. 1, digestive system dysfunction: because oatmeal processing is simpler, more dietary fiber content, not easy to digest, if there is gastritis, gastric ulcer, duodenal ulcer and other digestive system diseases, eating oatmeal may aggravate the symptoms of indigestion; 2, allergic to oatmeal: if The presence of oatmeal allergy, eating oatmeal may cause allergic reactions, diarrhea, bloating, eczema, asthma and other symptoms, serious cases may even shock, so such people can also not eat oatmeal. In addition, Chinese medicine believes that people with strong liver fire and dry lung heat should also avoid eating oatmeal to avoid aggravating the symptoms and causing discomfort. In addition to the above-mentioned groups, most people can eat oatmeal, but pay attention to the appropriate amount of food, not more than 100 grams per day, you can boil oatmeal with milk, fruit, eggs and other food, made into porridge, you can also choose to eat directly, adding yogurt and other seasoning. Different production methods can be taken according to personal preferences to meet different tastes and needs.