Amoxicillin belongs to the penicillin class of drugs and can be used to treat H. pylori, and is used as the first choice of antibiotics in H. pylori eradication regimens, usually commonly amoxicillin plus clarithromycin, or amoxicillin plus ofloxacin, amoxicillin plus furazolidone, etc. The specific choice of antibiotics requires consultation with a specialist. In addition, a combination of PPI-like drugs as well as bismuth is needed to form a quadruple therapy regimen. For the treatment of Helicobacter pylori, patients must take regular medication as prescribed by the doctor, the course of treatment is usually 10-14 days, during the treatment of medication patients need to strictly abstain from alcohol to avoid adverse reactions with drugs. After 4 weeks of treatment, patients should return to the hospital for a follow-up carbon 13 or carbon 14 breath test to see if H. pylori has been eradicated.