Helicobacter pylori Cāā breath test at 133 dpm suggests the presence of H. pylori infection. It has been found that H. pylori may cause gastritis, gastric ulcer, gastric cancer and other diseases in some people. It is therefore more serious and requires aggressive treatment. The normal reference range of Cāā breath test is 0-100dpm, greater than 100dpm suggests the existence of Helicobacter pylori infection, and current research shows that infection with Helicobacter pylori is associated with the etiology of a variety of gastrointestinal diseases, including chronic gastritis, gastric ulcers, and even the development of gastric cancer, and it is infectious to some extent, so it is necessary to carry out anti-Helicobacter pylori treatment after infection. H. pylori infection is often selected 2 sensitive antibiotics (amoxicillin, clarithromycin, metronidazole, furazolidone) + 1 proton pump inhibitor (e.g., omeprazole, lansoprazole) + 1 bismuth preparation (bismuth potassium citrate, bismuth pectin, bismuth subnitrate) of the four combinations of radical treatment program, usually 10-14 days for a course of treatment. Due to the pathogenicity and contagiousness of H. pylori, patients are advised to actively follow the doctor’s instructions to avoid aggravating the condition.