H. pylori is in need of treatment, as follows: 1. H. pylori can induce gastritis and peptic ulcer, H. pylori can destroy the self-protection mechanism and repair function of the gastric mucosa and damage the gastric mucosa leading to gastritis. The body’s stomach acid and bile can easily damage the gastric mucosa, inducing gastric ulcers and duodenal ulcers. 2, induce gastric cancer, gastric cancer is a poor prognosis of H. pylori, H. pylori has a genotoxic effect and can cause malignant changes in the gastric mucosa, leading to gastric cancer. 3, induce bad breath, H. pylori can cause stubborn bad breath, which is difficult to remove. 4, H. pylori is highly contagious, clinically The infection rate is high and can be spread through the mouth, feces, hands, unclean utensils. 5, the commonly used treatment is a quadruple method, that is, a drug to inhibit the secretion of gastric acid, a drug to protect the gastric mucosa and two antibiotics.