A positive dpm value means that the value detected by the breath test reaches a value in the range of H. pylori infection and is thus judged as positive. According to clinical studies, the normal value is within 100 dpm. After exceeding the normal value, it is judged as positive, and may suffer from peptic ulcer disease or gastric mucosa-related lymphoid tissue lymphoma and other diseases have a close relationship with H. pylori infection. It is recommended to go to the hospital to find out the cause of the disease, and then carry out targeted treatment according to the cause of the disease. It is recommended that during the period of illness, pay attention to the use of separate tableware with family members to avoid cross-infection. At the same time, it is also necessary to go to the hospital for occasional checkups, so as to have a better effect on the control of the disease.