Hp is Helicobacter pylori, there are several ways to detect positive H. pylori: 1, is to do a breath test, C13 or C14 breath test, is the most direct, is also the most simple method, this experiment can be the most direct detection of H. pylori. 2, is to check the blood antibody, no eradication of H. pylori people, if the blood antibody is positive, also proves that the patient is infected with H. pylori. 3, do a gastroscopy at the same time to take a piece of mucosal tissue out, do a rapid urease test, if it is positive, also indicates that the patient is infected with H. pylori. The first thing you need to do is to take a piece of mucosal tissue and do a rapid urease test, if it is positive, it also indicates that there is an infection of H. pylori, which requires anti-H. pylori treatment, that is, quadruple therapy, a two-week course of PPI plus bismuth, plus two antibiotics, taken at the same time for two weeks.