Atrophic gastritis requires at least one month of medication before there are signs of gradual improvement, and it is not recommended for patients with atrophic gastritis to take long-term acid-suppressing medication. Patients with atrophic gastritis have a relatively low secretion of gastric acid, so it is important not to take too long to apply acid-suppressing drugs in similar cases. You can apply mucosal protective drugs, such as magnesium aluminum carbonate, bismuth potassium citrate, misoprostol and other related drugs for symptomatic treatment. The main thing is that you need dietary regimen and H. pylori sterilization treatment, and pay attention to regular gastroscopy review, not just medication can be further improved. It is recommended that patients with atrophic gastritis should take medication for at least a month and pay regular attention to the above mentioned conditions.