Atrophic gastritis is characterized by destruction and reduction in the number of gastric glands and carries a risk of developing gastric cancer. Some cases of mild atrophic gastritis can improve or reverse with treatment. Atrophic gastritis can be caused by Helicobacter pylori infection and duodenal-gastric reflux. Timely eradication of Helicobacter pylori treatment of duodenal-gastric reflux and other causes can help to reverse gastric mucosal lesions. In addition, bad habits can cause atrophic gastritis patients lesions aggravated, atrophic gastritis patients should avoid rough, strong, spicy food and a large number of long-term alcohol consumption, smoking. As atrophic gastritis has a certain risk of cancer, patients should follow the doctor’s instructions for regular gastroscopy follow-up, early detection of gastric cancer, early treatment, and improve the patient’s prognosis. Therefore, atrophic gastritis is possible to reverse, the patient should establish confidence in treatment, actively go to the hospital, with the help of the doctor to carry out regular treatment, the earlier the treatment of atrophic gastritis, the greater the chances of reversal.