Gastric acid mainly refers to the excessive secretion of hydrochloric acid in gastric juice, which will hurt gastric mucosa and duodenal mucosa, cause duodenal ulcer and other diseases, and cause heartburn, belching, nausea, acid reflux and other uncomfortable symptoms. Excessive gastric acid secretion should be examined and treated in the digestive department of a regular hospital in time. Omeprazole, cimetidine, sodium bicarbonate, aluminum hydroxide and other drugs are commonly used in clinic to treat excessive gastric acid secretion. Diet should also be adjusted according to the condition, eating regularly, chewing slowly, eating lightly, low in sugar and fat (high-sugar and high-fat foods will stimulate gastric acid secretion), and avoiding spicy and irritating foods. Eating more alkaline foods can neutralize stomach acid and relieve discomfort symptoms, such as steamed bread and noodles as staple food, zucchini, lotus root, rape, cabbage and spinach as vegetables, strawberries, apples, bananas, coconuts, pears and grapes as fruits. Foods rich in protein can repair and protect the stomach wall, and you can eat more lean meat, eggs, milk and other foods in moderation.