After the detection of Helicobacter pylori in the elderly, further examination is recommended because Helicobacter pylori may cause gastric ulcer, gastritis, gastric cancer and other diseases, which can be eradicated by medication in general, and a few patients need to undergo surgical treatment. 1. Medication: quadruple therapy can be used under doctor’s guidance, which consists of proton pump inhibitor + bismuth + two kinds of antibiotics, commonly used, such as omeprazole + bismuth potassium citrate + tetracycline + metronidazole and so on. 2. Surgery: Surgery or endoscopic treatment is needed for H. pylori infected patients with massive or recurrent bleeding, refractory ulcers or compound ulcers, or suspected malignant tumors. Whether elderly people over 70 years old need to eradicate H. pylori needs to be evaluated comprehensively according to the results of gastroscopy, underlying diseases, liver and kidney functions, and combination of medications, and it is recommended that they seek medical treatment in time and choose the appropriate treatment under the guidance of the doctor.