H. pylori carbon 14 breath test examination, 85 dpm/mmolCO₂ is within the normal range and is not serious. Helicobacter pylori is a spiral gram-negative bacillus that releases urease, ammonia, immune mediators, and other substances that cause inflammatory changes in the gastric mucosa, leading to chronic gastritis, peptic ulcers, and even the formation of gastric cancer. Patients in the examination of Helicobacter pylori can be detected by carbon 13 breath test and carbon 14 breath test, carbon 13 breath test normal range 0-4dpm, carbon 14 breath test normal reference range is 0~100dpm/mmolCO2, if the carbon 14 breath test examination, Helicobacter pylori 85dpm/mmolCO₂ in the normal range, so it is not serious. It is recommended that patients have a regular diet, avoid bad habits to avoid the overproliferation of H. pylori, and go to the hospital in time if they have stomach discomfort.