As there are more gastric diseases caused by H. pylori, according to the different stomach diseases, their consultation departments are also different, mainly divided into the following: 1, for people with recurrent heartburn, acid reflux, abdominal distention, indigestion and those suffering from peptic ulcer, check whether there is H. pylori infection, and for the disease need to give drug treatment, need to hang gastroenterology, if the hospital subspecialty is not clear, need to hang internal medicine. For those who have peptic ulcer with malignant tendency, malignant peptic ulcer and gastrointestinal bleeding, and whose treatment requires surgery or endoscopic treatment, they need to register with the Department of Gastrointestinal Surgery, or the Department of General Surgery if the hospital is not clearly divided into different departments. 3. For those who have been re-examined after treatment for gastric diseases, they can register with the department where they were treated before. For people who are undergoing routine physical examination, they can register with the Department of Physical Examination, Department of Internal Medicine and Department of Surgery.