The presence of 2 + signs for H. pylori indicates that the patient currently has a H. pylori infection and does not directly indicate the severity. Generally Helicobacter pylori is mainly detected by carbon 13, carbon 14 breath test, when the patient has Helicobacter pylori infection, the test results will appear 1-4 + sign ranging from the possible existence of Helicobacter pylori infection, when the specific seriousness of the situation needs to be combined with gastroscopy gastric mucosa whether there are ulcers, erosion, and stomach pain, acid reflux and other symptoms to comprehensive evaluation. When the patient has 2+ H. pylori, the patient usually only has mild acid reflux, heartburn, belching and other discomforts, whether the situation is serious or not needs to be combined with the symptoms, examination and other comprehensive evaluation.