Helicobacter pylori does not have the stomach as an organ, and the stomach of the human body infected with Helicobacter pylori will show gastritis or gastric ulcer changes on the surface of the gastric mucosa, and in serious cases, even gastric hemorrhage, gastric perforation and other complications can occur, and the stomach will also show corresponding changes. Helicobacter pylori infection is the main cause of gastritis, gastric ulcer and other diseases, which can lead to corresponding changes in the surface of the gastric mucosa. Gastritis patients gastric mucosa in gastroscopy can appear gastric mucosal congestion, edema changes, some patients gastric mucosal surface can also be seen point, sheet-like erosion. The gastric mucosa of gastric ulcer patients can be seen under the gastroscope, the ulcer on the surface of the mucosa is elevated, the center of the ulcer has a round or oval depression, the bottom of the ulcer has a white or yellowish-white thick moss, and the surrounding area can be seen to be congested, edematous and brittle, and it is easy to bleed when touched. If gastric ulcer is complicated by gastric hemorrhage, one or more bleeding spots can be seen on the surface of gastric mucosa in addition to the above manifestations; gastric ulcer complicated by gastric perforation is not allowed to do gastroscopy, and the surface of gastric mucosa, in addition to the above manifestations, can also appear as small holes straight through the abdominal cavity. If you are infected with Helicobacter pylori, please follow the doctor’s advice and treat it as soon as possible.