Atrophic gastritis stage I, you can take gastric mucosa protection drugs (bismuth potassium citrate, etc.), gastric dynamics drugs (domperidone, etc.), and if there is Helicobacter pylori infection, can be given quadruple therapy treatment. 1. Gastric mucosa protection drugs: commonly used drugs are bismuth potassium citrate, magnesium aluminum carbonate chewable tablets to promote gastric mucosa repair. 2. Gastric stimulants: such as domperidone, mosapride, etc. to increase gastrointestinal dynamics, help digestion and relieve bloating and other symptoms. 3. Quadruple therapy: If there is Helicobacter pylori, quadruple therapy can be given, commonly used drugs are amoxicillin, clarithromycin, omeprazole, colloidal bismuth pectin and other treatments. Patients with atrophic gastritis are advised to seek timely medical attention and targeted treatment under the guidance of a doctor. Please do not take medication on your own to avoid delaying your condition.