H. pylori self-test paper has a certain degree of accuracy, but the accuracy is not good, there may be false-positive or false-negative, it is recommended to go to the hospital for carbon breath test or gastroscopy to detect H. pylori. 1. H. pylori self-test paper usually needs to take the tooth bacteria or plaque on the teeth and put it on the test paper, observe the color change to determine whether there is H. pylori infection, and the accuracy of the test paper will affect the accuracy of the results, and this test method has the possibility of false-positive or false-negative test paper, and the accuracy rate is not good. 2. If infected with H. pylori, it should be treated in time. At present, antacids plus bismuth plus two kinds of antibiotics are generally used in quadruple therapy for the treatment of H. pylori, such as omeprazole, bismuth potassium citrate, amoxicillin, metronidazole and so on. Meanwhile, it should be noted that H. pylori can be transmitted through fecal-oral or oral-oral transmission. H. pylori positive patients should practice meal sharing with other members of the family and not share tableware and cups, etc., and their family members should preferably undergo H. pylori testing as well, and if they are positive, they should be treated together. If you suspect that you have H. pylori infection, it is not recommended that you test yourself at home with test strips, and it is best to go to the hospital for a relevant examination, and if it is positive, you should follow the doctor’s advice to actively treat it.