Helicobacter pylori elevation is the need for medication sterilization treatment, Helicobacter pylori infection is a common cause of gastric disease, but also a carcinogenic factor in gastric cancer, so there is Helicobacter pylori infection, it is best to use medication sterilization treatment, clinically commonly used in triple or quadruple combination of drug therapy. Triple drugs include proton pump inhibitors, two antibiotics, such as amoxicillin, clindamycin, metronidazole, levofloxacin, choose two of them. Quadruple drug therapy is the addition of bismuth potassium citrate to the triple combination. The bactericidal treatment is followed by a one-month discontinuation of the medication and a repeat breath test to see if the H. pylori bacteria are completely cleared.