The active phase of non-atrophic gastritis generally refers to patients with non-atrophic gastritis who are currently in the acute inflammatory stage. The active phase of non-atrophic gastritis generally refers to the gastric mucosa with chronic non-atrophic gastritis, and at the same time in the acute inflammatory stage, the gastric mucosa can occur inflammation congestion, edema and so on, which can cause abdominal distension, early satiety, epigastric pain, nausea, belching (hiccups), vomiting and so on a series of symptoms. Chronic non-atrophic gastritis in the active phase of the pathological changes are mainly plasma cells, lymphocyte infiltration, can also appear neutrophil and monocyte infiltration performance. Patients with active non-atrophic gastritis are advised to go to the hospital and actively cooperate with the doctor.