H. pylori is not just for older people, but for all ages. H. pylori is a spiral-shaped bacterium that can cause digestive tract diseases and is extremely viable. Older people are extremely susceptible to H. pylori infection due to their poor health and poor gastrointestinal function. However, due to the transmission of Helicobacter pylori, there are fecal-oral transmission, oral-oral transmission and so on. People of all ages can become infected with H. pylori by using unpasteurized utensils, drinking water that contains the bacteria, or eating with an infected person without using communal chopsticks. Patients infected with H. pylori usually have symptoms such as epigastric pain, acid reflux, and bad breath. It is recommended that they seek medical attention in time to determine whether or not the bacterial infection exists, and if the infection exists, it should be treated promptly. However, for the elderly, it is necessary to choose the medication reasonably according to their own conditions, liver and kidney functions. At present, the root treatment of Helicobacter pylori, routinely recommended bismuth + proton pump inhibitor + two antibacterial drugs composed of quadruple therapy for the first-line treatment program, such as bismuth potassium citrate + omeprazole + metronidazole, clarithromycin, amoxicillin, levofloxacin, etc., two of the antibiotics, the specific medication needs to be used in the gastroenterologist under the guidance of the medication to avoid delays in the condition.