Under normal circumstances, the reference value of H. pylori urease antibody is 0 to 1.25ug/L. Exceeding the upper limit of the normal value suggests that there is Helicobacter pylori (Hp) infection, but it does not indicate whether it is a previous infection or a current infection, and it is recommended to consult a doctor as soon as possible to do a C14 or C13 breath test for a definitive diagnosis. H. pylori is a microaerobic bacterium that resides in the mucosa of the human stomach. It is able to resist the acidic environment of the stomach and destroy the protective layer of the gastric mucosa, leading to gastritis, gastric ulcers and other gastric diseases. H. pylori is contagious and it is recommended that family members who live with the patient be checked for H. pylori infection. If you are diagnosed with H. pylori infection, you can follow the doctor’s instructions to use quadruple therapy for eradication, i.e., proton pump inhibitor, bismuth, plus two antibiotics, such as omeprazole, bismuth potassium citrate, amoxicillin, clarithromycin, and the duration of the medication is usually 14 days.