You usually can’t get infected with H. pylori from a gastroscopy. Usually, medical devices such as gastroscopes undergo strict sterilization procedures and no cross-infection occurs. Usually in the hospital examination, all non-disposable medical equipment must undergo strict disinfection and sterilization, only the sterilization index of the equipment to meet the standard will be clinically used, disposable supplies one person, one person, one use, one throw, so there is usually no gastroscopy for gastroscopy to be infected with Helicobacter pylori. H. pylori is transmitted through fecal-oral and oral-oral transmission. Normal people may become infected by eating and eating together with the patient, using each other’s dishes, or drinking water or food contaminated by the patient’s stool. When H. pylori occurs due to various reasons, it will destroy the normal acidic environment in the stomach, leading to gastritis, gastric ulcer and other diseases. So once found should actively go to the hospital for standardized treatment to avoid delaying the condition.