IBS patients are not recommended to eat persimmon cakes, persimmon cakes are easy to cause indigestion, aggravate the patient’s gastroenteritis condition. Persimmon cake contains a lot of tannic acid, gastric juice on the tannic acid digestion is weak, easy to form persimmon stones. At the same time, persimmon cake is cold food, and too sweet and not easy to digest. Persimmon consumption will lead to excessive secretion of gastric acid, aggravate the damage of gastric mucosa, exacerbate the patient’s gastroenteritis condition. So gastroenteritis patients are best not to eat persimmons. IBS patients need to eat easy to digest and nutritious food, such as egg custard, milk, noodles, noodles and so on. At the same time, they should not eat too cold, too acidic, too spicy food. Daily diet should be small meals, do not over-starvation and over-full, to reduce the pressure of gastrointestinal digestion. Patients with gastroenteritis should avoid abdominal cold in daily life, quit smoking and drinking, and keep a happy mood. Therefore, patients with gastroenteritis are not recommended to eat persimmons, more protection of the stomach and intestines in daily life, is conducive to alleviate the condition.