H. pylori treatment takes about two weeks. H. pylori belongs to Gram-negative bacillus, which can survive in the environment of gastric acid, while causing damage to gastric function and gastric mucosa. For patients with H. pylori infection, they should try to choose a combination of drugs for treatment. The combination is mainly two antibiotics combined with acid-suppressing and bismuth drugs, and the common drugs are amoxicillin, clarithromycin, omeprazole, and bismuth pectin. In the use of the combination of drugs for the treatment of H. pylori can not be stopped in the middle of the drug, otherwise it will lead to resistance and drug resistance of H. pylori, increasing the difficulty of treatment of the disease, so you need to use the drug for about two weeks continuously, and after two weeks you can stop using the drug. However, a breath test is required again after one month to determine whether the disease is eradicated. For patients who do not eradicate the disease, they can change to other medications and treat again.