People with gastrointestinal disorders or allergies to oats are advised not to eat oatmeal. Oatmeal is made of oat grains, which contain a large amount of dietary fiber, for people who themselves suffer from gastrointestinal diseases, such as gastric ulcer, duodenal ulcer patients, etc., eating oatmeal is not very easy to digest, it may aggravate the burden on the stomach and intestines, leading to abdominal pain, diarrhea and other uncomfortable symptoms, which aggravates the condition. Oatmeal also contains a large amount of gluten, for people with gluten allergy, after consumption, may lead to the occurrence of allergic symptoms, so if you are allergic to oat gluten, try to avoid eating oatmeal or other oat products. The general population can generally eat oatmeal in moderation, oats as a staple food rich in carbohydrates, energy is not low, consumption needs to be moderate. Note that when shopping for oats, try to choose the original oatmeal, avoid choosing products with added sugar and food additives that cause higher calorie intake.