Helicobacter pylori value 51DPM if the carbon 14 breath test detection results are not serious, carbon 13 breath test detected more serious. Clinical detection of whether the patient has H. pylori infection, the more commonly used test is the carbon 14 breath test, carbon 13 breath test, the normal value range of the two tests are not the same, according to the different results to determine whether the condition is serious. Carbon 14 breath test negative for less than 100DPM, less than 100DPM for the normal value range, the detection of the value of 51DPM is normal, more than 100DPM means positive, suggesting that there is Helicobacter pylori infection. Carbon 13 breath test normal value range between 0 ~ 4DPM, check out the value of 51DPM is positive, is more serious, indicating the existence of H. pylori infection, not timely treatment may cause gastrointestinal tract infectious inflammation, gastrointestinal ulcers, gastric cancer and other diseases, which will have an adverse effect on the body’s health. Go to the hospital after checking for H. pylori, and let the professional doctor judge whether to use medication according to the situation.