Gastric sinus warty elevated erosion is usually considered to be a type of erosive sinusitis caused by factors such as Helicobacter pylori infection, reflux of gastroduodenal fluid and autoimmunity. 1. Helicobacter pylori infection: After Helicobacter pylori is ingested into the stomach, it is most likely to settle in the gastric sinus. This in turn damages the mucosal epithelium of the gastric sinus, resulting in mucosal inflammation, elevation and erosion. 2. Reflux of gastroduodenal fluid: duodenal fluid contains toxic bile acids, which can damage the mucosa of the gastric sinus, thus triggering inflammation, resulting in localized bulging, central depression and erosion. 3, and autoimmune related: autoimmune related factors can also cause gastric sinus augmentation and erosion, usually biopsy can have a large number of lymphocyte infiltration. There may be other pathological factors that lead to warty elevated erosion of the gastric sinus, it is recommended to seek early medical treatment and give appropriate treatment measures under the guidance of the doctor.