Gastric ulcer try not to eat crab, gastric ulcer patients are not recommended to eat crab when the ulcer surface relapses, because crab is something cold and indigestible, comes with many parasites and microorganisms, and is easily allergic to chronic gastroenteritis, duodenal ulcer and other diseases of the digestive system have a detrimental effect. It may stimulate the stomach to produce too much gastric acid, damage the gastric mucosa and aggravate the condition, which can make the ulcer area larger or cause indigestion, resulting in abdominal pain and diarrhea. Crab, when consumed as something cold, is not conducive to better maintenance of the stomach. When gastric ulcer patients do not have an attack of gastric ulcer, they can eat a small amount of crab under the guidance of a doctor, and eat it with appropriate ginger and garlic to relieve its coldness to increase the protein and trace elements in the body and improve the immunity of the body.