The most important of the three meals a day is breakfast, breakfast is best to eat nutritious, many people like to eat sweet potatoes, breakfast is not recommended, sweet potatoes contain high sugar, sugar will cause stimulation of the stomach and intestines, secrete a lot of stomach acid, will produce symptoms of heartburn. Sweet potatoes also contain oxidase, which allows carbon dioxide to be produced in the intestines and stomach, which can easily cause symptoms of bloating and exhaustion. In an empty stomach must not eat sweet potatoes, if you want to eat with vegetables, porridge, etc., can reduce the secretion of stomach acid. Sweet potatoes can be consumed at lunch, can play a role in promoting digestion and absorption. But can not eat raw, because the starch content in sweet potatoes is relatively large, raw food will easily cause indigestion. In order to provide more nutrition to the body, at breakfast you can eat eggs, milk, millet porridge, lean meat porridge, etc., but also to eat the appropriate vegetables and fruits.