Gastritis is divided into acute and chronic types. Chronic gastritis is primarily caused by various reasons that lead to chronic inflammation of the gastric mucosa or atrophic changes. This condition is quite common in clinical practice. Generally, about 85% of patients undergoing gastroscopy exhibit such symptoms, and with increasing age, the incidence of atrophic diseases gradually increases. The symptoms mainly manifest as abdominal pain, predominantly in the upper abdomen, bloating, belching, and even symptoms of black stools, which, if present, indicate bleeding of the gastric mucosa.