Helicobacter pylori 3000dpm/mmol suggests the existence of Helicobacter pylori infection, can induce chronic gastritis, gastric ulcer and other diseases, after active treatment, the prognosis is better, generally not serious, but if not standardized treatment induced gastric cancer is more serious. Detection of H. pylori is more widely used in breath test, including carbon 13 and carbon 14 test, the normal range of carbon 13 breath test is (0~4) dpm/mmol, and the normal range of carbon 14 breath test is (0~100) dpm/mmol, so H. pylori 3000 dpm/mmol suggests that there is H. pylori infection. H. pylori infection can induce chronic gastritis, gastric ulcer and other digestive diseases, such diseases after standardized treatment, the prognosis is better, generally not serious; but if not standardized treatment can induce gastric cancer, such cases are more serious. When H. pylori 3000dpm/mmol occurs, it is recommended to go to the hospital for consultation and targeted treatment under the guidance of the doctor.