How long it takes for atrophic gastritis to transform intestinal epithelial hyperplasia varies from person to person and there is no fixed time. Atrophic gastritis is easily aggravated by long-term repeated episodes of gastritis, and intestinal epithelialization will also occur. If the patient timely treatment, the transformation to intestinal epithelialization will take a little longer, some need decades. If the patient is not treated in a timely manner, the transition to intestinal epithelialization will take a shorter time as the disease progresses, and in some cases may take a few years. Patients with atrophic gastritis with intestinal epithelialization may experience bloating, abdominal pain, and acid reflux. Patients who present with this disease can be treated under the guidance of a doctor, which can improve the patient’s symptoms. In addition, patients should eat a light and easily digestible diet, do not eat cold and spicy stimulating food, can eat some easily digested and absorbed food. Gastroscopy should be done regularly to observe the severity of gastric mucosal epithelial hyperplasia.