Gastric disease patients are suitable for eating light and easy to digest food, and also need to choose the food according to the patient’s specific situation. Gastric diseases include chronic gastritis, gastric ulcer, duodenal ulcer, etc. Patients with gastric diseases should keep their diets light and easy to digest, and can eat some thin rice, noodles, and a variety of vegetables, fruits, etc., and avoid spicy and stimulating foods, avoid overeating. It is also necessary to choose the food that should be eaten according to the specific situation of the patient, for example, patients with stomach acid should eat alkaline food, such as tomatoes, potatoes, carrots, milk, etc.; patients with atrophic gastritis with anemia can eat food rich in vitamin B12 and folic acid, such as pork, beef, carp, etc. (rich in vitamin B12) as well as spinach, celery, etc. (rich in folic acid). Patients suffering from stomach disease should actively cooperate with doctors for treatment and maintain a healthy lifestyle and diet, which will help promote the recovery of the disease.