Lemon tea, clove tea, and dandelion tea can assist in killing H. pylori. Lemon tea is made from lemons, which has a certain inhibitory effect on H. pylori because of its antiseptic properties. Clove flower tea not only tastes better, and there are rich clove oil, oleanolic acid, these two substances can regulate gastrointestinal function, promote intestinal peristalsis, help improve the function of the digestive system. After the function of the digestive system is improved, it helps to inhibit the reproduction of Helicobacter pylori. Dandelion tea is made from dandelion, drinking dandelion tea is not only good for liver function, but also has the effect of clearing away heat and detoxification, and for E. coli, Staphylococcus aureus, Helicobacter pylori also has an inhibitory effect, so it can assist in killing Helicobacter pylori. But drinking tea to kill Helicobacter pylori only has an auxiliary effect, for the diagnosis of Helicobacter pylori infection patients, should try to choose antibiotic medication, such as amoxicillin, clarithromycin, metronidazole and so on.