H. pylori test is divided into two types: C13 and C14 breath test. The presence of H. pylori 56 in the c14 test indicates a normal phenomenon, while the c13 test indicates the presence of H. pylori infection, which needs to be treated with medication. Helicobacter pylori c13 check normal value is 0~4bpm, c14 check normal value is <100bpm, if Helicobacter pylori 56 is checked by c13, then it means that there is Helicobacter pylori infection, need to be treated by bismuth potassium citrate + omeprazole + amoxicillin, metronidazole antibiotics for the quadruple drug treatment, the drug needs to be applied under the advice of a doctor. If there is H. pylori 56 through the c14 test, then the value is normal phenomenon, do not need special treatment, just need to pay attention to diet and hygiene can be clean.