Helicobacter pylori is a bacterium that can cause gastritis or gastric ulcers, or even gastric cancer, and is a bacterium that exists in the pylorus of the human stomach. This bacterium can be transmitted in the usual diet and spread to each other, so nowadays the meal sharing system is promoted, which also has a certain preventive effect on the spread of H. pylori. H. pylori is actually a bacterium, not a disease, but can cause gastritis, gastric ulcer or gastric cancer these diseases, only after the cause of these diseases, the corresponding symptoms, such as indigestion, early fullness, acid reflux, heartburn, nausea, vomiting, etc..