Atrophic gastritis with erosion grade 3 is also known as gastroscopy to see the gastric mucosa with granularity, mucosal atrophy, along with a wide range of multiple erosion foci, the condition is more serious, timely treatment can be improved. Atrophic gastritis with erosion grade 3 is a gastric mucosal lesion, related to frequent alcohol consumption, serious infections, taking non-steroidal anti-inflammatory drugs, may appear nausea, vomiting, acid reflux, abdominal pain and other symptoms. Atrophic gastritis is usually characterized by atrophy of the gastric mucosal epithelium and glands, thinning of the gastric mucosa, and possibly intestinal metaplasia. On gastroscopy the gastric mucosa is seen to appear granular. Grade I atrophic gastritis will show fine granules with partially visible blood vessels and there will be solitary intestinal epithelialization. Grade II will show medium granules with vascular areas continuously visible. Grade III atrophic gastritis is coarsely granular and shows diffuse intestinal epithelialization. Grade III atrophic gastritis with severe erosion, generally seen in gastroscopy gastric mucosa appear extensive multiple erosion foci, more than 6 erosion foci, may appear obvious abdominal pain, gastrointestinal bleeding, and so on, and even shock, timely treatment, the prognosis is generally better. Atrophic gastritis with celiac disease grade 3 should be under the guidance of the doctor, further examination, to exclude cancer and other lesions, timely treatment will improve, regular review. Usually pay attention to prohibit alcohol, avoid spicy and stimulating food, do not eat greasy food.