In view of chronic atrophic gastritis, professor Shen Shuwen puts forward a series of academic thoughts,such as "earth produces all things", "the disease source in the focal point, both deficiency and reality", "damp and hot stress in the mechanism change", "stagnation and loss" and other theories toexplain the occurrence and development of the disease in detail. In the treatment of flexible use of predecessors?蒺 ideas and their own experience, professor Shen Shuwen creatively puts forward the thought of "opposite complement" to cure dampness and heat, "sweet temperature transports spleen, moisten the stomach, regulate the rise and fall", "tonic deficiency through stagnation and qi machine" and other ideas in the treatment of the disease which have unique views. Professor Shen Shuwen?蒺s academic thought and experience provided new ideas and methods for the differentiation and treatment for atrophic gastritis.