The cost of magnifying gastroscopy varies from region to region and from hospital to hospital, and is roughly 1000 RMB. It is equipped with SE, NBI, OE and other staining systems, which can observe the distribution of the collecting veins and capillaries under the mucosa of the upper gastrointestinal tract, as well as the state of H. pylori infection and the reduction of acid secretion glands more carefully. Magnified gastroscopy is currently an important screening tool for early cancers of the upper gastrointestinal tract, which can detect, diagnose and treat early cancers of the upper gastrointestinal tract in a timely manner, and is a major breakthrough in the examination and treatment of digestive system diseases.