Celiac disease is not allowed to eat fish, celiac disease is mainly caused by chronic gastritis or acute gastritis and other gastric diseases, so that the gastric mucosa undergoes erosive damage, mostly due to dietary factors, alcohol consumption, Helicobacter pylori infection and other reasons. Clinical mainly use the elimination of Helicobacter pylori infection drugs, such as amoxicillin, metronidazole, cimetidine, omeprazole, clarithromycin, etc., morbidoline, thioglycollate and other drugs will have a better treatment effect. At the same time, we should pay special attention to dietary factors, eat a light, easily digestible diet, avoid cold, spicy and other stimulating foods, quit smoking, alcohol. Fish can aggravate the condition of celiac disease and affect the therapeutic effect, so patients with celiac disease can not eat fish.