Whether H. pylori 50 is serious or not depends on the patient’s examination methods and clinical manifestations, and cannot be generalized. Clinical methods used to check for H. pylori are mainly the carbon 13 breath test and carbon 14 breath test, with normal values of 0 to 4 dpm for the carbon 13 breath test and 0 to 100 dpm for the carbon 14 breath test. If the patient is examined by carbon 13 breath test and the result is 50 dpm, it is considered to be positive for Helicobacter pylori, indicating that the patient has an infection of Helicobacter pylori. At this point, if the patient has atrophic gastritis, intestinalization, acid reflux belching, abdominal pain and distension, nausea and vomiting and other symptoms, it will be relatively serious. If the patient is examined by carbon 14 breath test and the result is 50 dpm, this is within the normal range and not serious. Helicobacter pylori infection is closely related to the development of chronic gastritis, peptic ulcer, gastric cancer and other diseases, once the test is positive, it is recommended to seek medical attention in a timely manner, under the guidance of the doctor for eradication treatment.