Abstract: This paper summarizes Professor Meng Jingchun’s clinical experience of treating chronic astrophic gastritis. Firstly， improve the formation of qi and blood to treat gastric mucosa atrophia， that is， tonifying deficiency for unobstruct the stagnant. Secondly， improve the internal environment of the stomach to kill Helicobacter pylori (Hp)， that is， dissolving dampness and turbid. Thirdly， judge the hour and size up the situation to prevent precancerosis of stomach， that is， proper tonification and reducing.