In general, there is no fastest food and medicine to repair the gastric mucosa. Fresh fruits and vegetables such as apples and bok choy are often used for dietary treatment, and medicines such as aluminum thioglycollate and omeprazole are used for treatment. 1. Diet therapy: more intake of fresh fruits and vegetables, such as apples, bananas, bok choy, and sweet potatoes and other coarse grains, these foods are rich in vitamins and dietary fiber, which can promote digestion and help gastric mucosa repair and growth. 2. Drug treatment: (1) Gastric mucous membrane protector: it can effectively protect the gastric mucous membrane and prevent the corrosion and further damage of gastric mucous membrane by food and gastric acid to a certain extent. Such as gefalate, teprenone, aluminum sulfate, bismuth potassium citrate and so on. (2) Acid suppressants: Relieve stomach pain, bloating, nausea, acid reflux, vomiting, loss of appetite and other symptoms caused by excessive stomach acid by inhibiting the secretion of stomach acid. Such as Famotidine, Ranitidine, Rabeprazole, Omeprazole, Pantoprazole and so on. You can also take milk and other foods to promote the repair of the gastric mucosa, it is recommended to consult a doctor in time to clarify the diagnosis and targeted treatment.