Helicobacter pylori 165 positive, refers to the Helicobacter pylori breath test detection value of 165DPM, the result is positive, suggesting that the patient is infected with Helicobacter pylori. H. pylori breath test is to detect whether the organism is infected with H. pylori through breathing and blowing, and through the infection, it can provide the basis for the treatment of chronic gastritis and peptic ulcer, and also has certain clinical significance for the prevention of the emergence of gastric cancer. The normal value of carbon 14 breath test is 0-100DPM, and 165DPM indicates that the result of H. pylori test is weakly positive. The H. pylori breath test is a confirmatory test, and if the value is normal, no other tests are usually performed. However, when the test result is positive, if there are symptoms such as acid reflux, heartburn, nausea, bloating, epigastric pain and other discomforts, gastroscopy is often needed to make a clear diagnosis. If the test result is positive for H. pylori 165, it is recommended to consult a doctor for diagnosis and treatment under the guidance of the doctor.