The precautions for H. pylori positive stomach include preventing infection, perfect examination, treatment and regular review. 1. Improve examination: H. pylori positivity may lead to gastritis, gastric ulcer, gastric cancer and other diseases, so once diagnosed with positivity, it is recommended to further check gastroscopy to find out the cause. 2. Prevention of infection: H. pylori is a digestive tract transmitted disease, which may be transmitted to other people through saliva, utensils, feces and other ways. Therefore, it is recommended that you wash your hands frequently and keep utensils away from other people. 3. Treatment: patients with positive H. pylori can take a quadruple combination of drugs for treatment, which generally includes one of the acid-suppressing drugs such as rabeprazole; one of the drugs to protect the gastric mucosa such as bismuth potassium citrate; and two of the antibiotics, such as amoxicillin, metronidazole and clarithromycin. Be sure to take the medication according to the doctor’s instructions, and it is not recommended for patients with a history of allergy to the above medications, or liver or kidney function impairment. 4. Regular review: through the above treatment, gastric Helicobacter pylori infection is cured or not also need to review the results of Helicobacter pylori breath test to determine. Therefore, it is necessary to review the gastroscopy and H. pylori breath test regularly.