Both bismuth pectin and omeprazole are key medications for the eradication of HP (Helicobacter pylori), and both are usually taken at different times, with the two medications, bismuth pectin and omeprazole, usually taken orally more than an hour apart. Pectin bismuth belongs to the bismuth agent and omeprazole belongs to the proton pump inhibitor, both of which are the key drugs for the eradication of HP (Helicobacter pylori). Omeprazole’s main role is to inhibit the secretion of gastric acid, reduce the damage to the gastric mucosa, so as to achieve therapeutic effects, usually taken in the morning; bismuth pectin’s main role is gastric mucosal protective agent, it can form a barrier in the stomach to protect the gastric mucosa, reduce the gastric acid on the gastric mucosa invasion, usually taken before meals. And the general effect of omeprazole time for about an hour, so often take omeprazole an hour before taking bismuth pectin. These two drugs need to be taken under the guidance of a professional doctor, do not blindly self-medication, so as not to delay the condition.