Objective] To summarize professor Shen Hong's clinical experience in treating chronic atrophic gastritis. [Method] By following the teacher clinic and sorting out the related medical materials, the author summarizes professor Shen Hong's academic experience of treatment of chronic atrophic gastritis, and for proven cases. [Result] Professor Shen Hong thinks that the essence of pathogenesis is the weakness of the spleen and stomach. Qi stagnation, damp stagnation and blood stasis are common pathological factors. The characteristic of the disease is deficiency in origin and excess in superficiality. The location of disease is in stomach, relating to liver and spleen. The principle of treatment should be strengthening the spleen and stomach. It is also very important to treat accompanying symptoms and balance property of Chinese medicines. Prof. Shen emphasizes the combination of disease and syndrome differentiation and the integration of TCM and western medicine. He attaches much weight to diet and psychotherapy. The medication is concise and the prescription changes flexibly with the permitted addition and subtraction. The clinical curative effect is satisfactory. [Conclusion] Professor Shen Hong 's experience is effective and worthy of inheritance and promotion.