For healthy people, often after eating to lie down may affect the normal play of digestive function, over time prone to stomach disease, and may increase the risk of obesity and other chronic diseases. For the people who already have stomach problems, often after eating on lying down may also lead to aggravation of the original disease symptoms. 1, gastrointestinal dysfunction: after eating on lying down will lead to gastrointestinal peristalsis weakening, food digestion is not sufficient, in the stomach for accumulation, thus causing emptying disorders, the gastrointestinal tract has certain damage, can appear flatulence, belching, abdominal pain and other performance. At the same time, the food that cannot be digested in time will also affect the normal eating of the next meal, often so may cause gastrointestinal dysfunction; 2, gastroesophageal reflux disease: after eating the stomach will secrete a large amount of gastric juice, at this time lying down, a large amount of gastric juice may be refluxed into the esophagus, heartburn, acid reflux and burning sensation behind the sternum symptoms. For patients who suffer from this disease, lying down after eating is more likely to aggravate the disease, over time, may cause esophageal mucous membrane erosion, ulcers, the formation of scarring, and then lead to esophageal stenosis, feeding difficulties; 3, obesity: once in a while, lying down after eating does not lead to obesity, but often so will lead to the accumulation of heat in the body, not consumed, and then transformed into fat, and over time obesity. And obesity is the cause of a variety of chronic diseases, such as diabetes, hyperlipidemia, etc.. However, it should be noted that for patients with gastric prolapse, they need to lie down or semi-lying after eating to prevent aggravation of the symptoms of gastric prolapse and should be treated specially. Except for patients with gastric prolapse, most other people are recommended to sit, stand or walk slowly for a period of time after meals to ensure that the stomach functions normally. However, strenuous exercise should also be avoided to avoid problems such as appendicitis and appendicitis.