Gastric mucosa red-white with red is the state of gastric mucosa observed by the naked eye during gastroscopy, which generally suggests chronic non-atrophic gastritis, and the specific diagnosis is based on the actual report card. Chronic non-atrophic gastritis in the gastroscopy of the naked eye view is generally manifested as the gastric mucosa red and white, mainly red, accompanied by erythema, mucosal roughness and unevenness, hemorrhagic spots, mucosal edema, oozing, etc., under the microscope is generally manifested as a chronic inflammatory cell infiltration of lymphocytes and plasma cells, according to the location of the distribution of inflammation, can be divided into gastric sinus gastritis, gastric body gastritis and total gastritis. If the gastroscopy examination is abnormal, it is recommended to seek medical treatment as soon as possible to clarify the cause and standardize the treatment under the guidance of the doctor.