Gastric sinus erythema is the presence of congestion and edema-like changes in the mucosa of the gastric sinus, which is a very superficial inflammatory disease and is a very mild digestive tract disease, so patients do not need to be nervous. Gastric sinus erythema can be treated with symptomatic medication if necessary according to clinical symptoms. If there is stomach pain, it can be treated with acid suppressants. If it is manifested as abdominal distension and indigestion, it can be treated with drugs that help digestion and decongestion. However, most of the patients with erythema of the gastric sinus do not have clinical symptoms and can be treated temporarily without any medication. In the diet, it is necessary to cooperate with a light diet, to develop good eating habits, to quit smoking and alcohol, to avoid strong tea, coffee, chocolate, etc., and to review the electronic gastroscopy if necessary.