Gastroscopy DL+ refers to chronic gastritis, the etiology of which is related to biological factors, immune factors, physical factors, etc. Patients will experience symptoms such as discomfort in the upper and middle abdomen, fullness and bloating, which can be treated with general therapy and medication with a good prognosis. Chronic gastritis is a chronic inflammation of the gastric mucosa caused by a variety of etiologic factors, including biological factors, immune factors, physical factors and chemical factors, etc., of which Helicobacter pylori infection is the main cause of chronic gastritis. Patients usually experience symptoms such as discomfort, fullness, dull pain and burning sensation in the upper and middle abdomen. For patients with chronic gastritis, they should pay attention to their diet and eat less spicy and irritating food. If there is Helicobacter pylori infection, it can be treated with quadruple therapy under the guidance of a doctor, with medications such as omeprazole, clarithromycin, amoxicillin, and bismuth potassium citrate. For patients with chronic gastritis, they should develop good living habits and cooperate with doctors for standardized treatment.