Gastroenterology tubes for hepatitis B patients will not be given directly to the next person after the examination; there are several sets of tubes for circulation and they are strictly sterilized. Although it is not possible to change one set of equipment for each gastroenteroscopy, 3 to 5 sets of tubes are usually prepared for circulation, and will not be given to the next person directly after the previous one, which is not in line with the principle of asepsis. At the same time, infectious disease examination will be carried out, and those with abnormalities will generally be placed at the end. Used tubes will also be sent to a special gastroenteroscopy cleaning room or disinfection room for comprehensive disinfection, the hospital has a complete and strict disinfection process and standards, can completely kill the relevant viruses, to ensure that the maximum extent does not cause disease transmission, so you can rest assured that the gastroenteroscopy, do not have to worry about it too much.