The main drugs for the treatment of H. pylori include proton pump inhibitors, bismuth and antibiotics. During the medication period, attention should be paid to avoid eating spicy, stimulating and foods that lead to increased stomach acid, as follows: 1, spicy, stimulating foods: including onion, garlic, leek, ginger, wine, chili, pepper, pepper, cinnamon, star anise, cumin, coffee, strong tea, etc. Spicy foods are more damaging to the gastric mucosa and can easily aggravate the disease; 2, foods that easily induce allergies: such as seafood, mango, etc. If These foods induce allergy, may delay the removal of H. pylori treatment, so it is recommended to avoid eating; 3, foods that cause increased stomach acid: including acidic foods and sweet foods, such as beans, peanuts, vinegar, fatty foods, cakes, sugar cubes, etc. Eating foods that cause increased stomach acid can aggravate the severity of gastritis, and therefore should not be eaten. During the medication period, patients should pay attention to a light diet and eat foods that nourish the stomach, such as yam, millet porridge, etc. Alkaline foods, such as fish, spinach, rape, cabbage, etc., can be eaten appropriately.