Helicobacter pylori gastritis medication before meals generally eat first to inhibit gastric acid drugs, to protect the gastric mucosa drugs such as bismuth preparations, etc., after meals can be taken anti-Helicobacter pylori drugs and so on. 1. Take before meals: inhibit gastric acid drugs such as proton pump inhibitors, such as omeprazole, pantoprazole, rabeprazole, etc., H2 receptor antagonists such as cimetidine, etc., it is recommended to take half an hour before meals. For bismuth preparations, such as bismuth potassium citrate, it is also recommended to take before meals for better results. 2. Taken after meals: Some antibacterial drugs such as amoxicillin, clarithromycin, metronidazole, furazolidone, levofloxacin, etc., are recommended to be taken after meals. Taking after meals can reduce the stimulation of the gastric mucosa, and can have the effect of improving the efficacy. Helicobacter pylori gastritis medication before meals is generally recommended to eat first to inhibit gastric acid drugs, after meals to eat antibacterial drugs, but should also be taken according to their own situation. Specifically should consult the doctor, under the guidance of the doctor to choose the appropriate medication program, conducive to rapid recovery.