In most cases, chronic superficial gastritis is considered to be present in the form of uneven and localized purplish redness of the mucosa of the posterior wall of the middle and upper part of the stomach body. Chronic superficial gastritis is clinically known as “chronic non-atrophic gastritis”, which can occur in the middle and upper posterior wall of the gastric body, the mucosa of the granular unevenness of the local mucous membrane purple and red, is the gastric mucous membrane lymphocyte, plasma cell infiltration, and may be accompanied by erosion, bile reflux, but there is no gastric mucosal atrophy, metaplasia, chronic inflammatory disease. The prevalence of chronic superficial gastritis increases with age, and Helicobacter pylori infection, reflux of digestive juices, damage to the gastric mucosa and poor dietary habits are the most common causes. In case of uneven purple-red mucosal particles in the upper and middle part of the stomach body, the cause of the disease needs to be clarified with the help of a doctor and targeted treatment.