Helicobacter pylori 200 dpm/mmol is a serious condition, suggesting the presence of Helicobacter pylori infection. H. pylori is a kind of bacteria that can parasitize in the stomach, not corroded and digested by gastric acid, curved or spiral micro aerobic, bluntly rounded end, which can cause acute and chronic gastritis, gastric ulcer, duodenal ulcer, reflux gastritis, reflux esophagitis, gastric cancer and other diseases, with symptoms of nausea, vomiting, loss of appetite, acid reflux, heartburn, abdominal distension and so on. Currently, carbon 13 or carbon 14 breath test is often used for H. pylori detection in clinical practice. A carbon 13 breath test result greater than 4 dpm/mmol or a carbon 14 breath test result greater than 100 dpm/mmol suggests the presence of H. pylori infection. Infection with H. pylori can be treated with a quadruple or triple combination of drugs such as omeprazole, clarithromycin, amoxicillin, and bismuth potassium citrate. With H. pylori 200 dpm/mmol, it is recommended to seek prompt medical attention for targeted treatment. In addition, all of the above drugs should be taken under the guidance of a doctor, and should not be used without authorization.