The presence of small amounts of H. pylori can help digestion in the gastrointestinal tract, but if affected by various conditions, such as a cold or an inappropriate diet, the bacteria can multiply and become infected, and can be transmitted to each other through contact with utensils or body fluids. Therefore, if a patient has acid reflux or belching, it is recommended to go to the hospital for a gastroscopy and breath test. If the infection is confirmed to be H. pylori, the following drugs can be considered, such as clarithromycin capsules plus metronidazole plus omeprazole enteric capsules plus Lizudra, and it is generally recommended to give sterilization treatment for two weeks, stop for one month, and then recheck the breath test. In addition, during the treatment period, attention should be paid to the implementation of meal-sharing system with family members to avoid mutual infection.