The treatment principles of non-atrophic gastritis include improving symptoms, removing the causes of the disease and protecting the gastric mucosa. 1. Non-atrophic gastritis is a kind of chronic gastritis. To improve the symptoms, acid-suppressing drugs can be used, including H2 receptor blockers (ranitidine), proton pump inhibitors (omeprazole), etc., which can alleviate the symptoms of heartburn and acid reflux. 2. For Helicobacter pylori infection-related gastritis, anti-Helicobacter pylori treatment is available, and bismuth quadruple therapy can be chosen: bismuth pectin + omeprazole + amoxicillin + clarithromycin. Gastritis associated with duodenal-gastric reflux can be treated with drugs to protect gastric mucosa (bismuth potassium citrate) and improve gastrointestinal dynamics (domperidone). Alcohol stimulation should be timely cessation of alcohol. 3. Protecting gastric mucosa can use gastric mucosal protective agents, such as magnesium aluminum carbonate, bismuth potassium citrate, etc., which can treat gastric mucosal damage and erosion. The appearance of non-atrophic gastritis, it is recommended to seek timely medical treatment, drugs need to be used under the guidance of a professional doctor.