Gastritis doesn’t necessarily get better after eradicating H. pylori, but it can help speed up the recovery of gastritis to a certain extent. Helicobacter pylori is a colonizing bacterium in the stomach, and H. pylori infection can lead to gastritis, gastric ulcers and other diseases, so after eradication of H. pylori, it can speed up the speed of gastritis treatment, gastritis and H. pylori eradication treatment with medication is generally similar, so in the clinic, usually the first eradication of H. pylori, and then through the diet or continuous use of medication for the treatment of gastritis. The medication for H. pylori can be treated by quadruple drug therapy, such as omeprazole, metronidazole, roxithromycin, and bismuth potassium citrate together, and the medication needs to be applied under the advice of a doctor.