Helicobacter pylori infection is a common cause of stomach cancer.

No Helicobacter pylori will not cause gastric cancer, even if infected with Helicobacter pylori, it is impossible to directly cause gastric cancer, it will slowly cause cell mutation in the body for a long time. Under normal circumstances, Helicobacter pylori infection will cause gastric ulcer, atrophic gastritis, chronic gastritis and other diseases.