Positive H. pylori indicates that the body is infected with H. pylori, there is a possibility of chronic gastritis, or gastric ulcer, duodenal ulcer, gastric cancer, etc. H. pylori is one of the germs that are harmful to the human body and lives in a microaerobic environment, i.e., it is not able to survive under air exposure. H. pylori can cause a variety of digestive system diseases in humans, the most common ones are chronic gastritis, gastric ulcer and gastric cancer. If left untreated, the disease will gradually progress and 1% of patients will develop gastric cancer, so it is important to be screened. The transmission of H. pylori relies mainly on mouth-to-mouth transmission, so if you are found to be positive, you need to separate your dishes to avoid cross-contamination with your family. The main treatment for positive H. pylori is quadruple therapy, which is usually complete after half a month of treatment. It is recommended to review after one month, and if it is not clean, another round of sterilization treatment is required. The carbon 13 breath test is the gold standard for checking H. pylori.