A small number of patients with chronic non-atrophic gastritis gastric sinus flat erosion can be self-healing, most of the cases need to be treated. Chronic non-atrophic gastritis gastric sinus flat erosion if the patient’s own immunity is relatively good, and the gastric sinus erosion is caused by food stimulation or drug stimulation, the gastric sinus part of the erosion is shallow, then after dietary adjustments or stopping medication, the chronic non-atrophic gastritis gastric sinus flat erosion may be slowly self-healing. Wrong eating habits, Helicobacter pylori infection, medication and other factors that lead to chronic non-atrophic gastritis sinus flat erosion, most patients still need to be treated, the treatment can be cured. If diagnosed with chronic non-atrophic gastritis gastric sinus flat erosion disease, it is recommended to go to the hospital in time, early formal treatment.