Abstract: Reinforcing earth to generate metal is a way of treatment commonly used in traditional Chinese medicine(TCM).It is also one of the important clinical ideas to treat spleen and stomach diseases based on lung，so the co-regulation of lung and spleen is of practical clinical significance.Based on the TCM basic theories and the pathophysiological characteristics of "usual insufficiency of lung and spleen" in children，this article reviews the theoretical evidence on "co-regulation of lung and spleen"，taking the nine factors suggested by Prof.Jia Liujin as the points of discussion，including connection among meridians，the common pathophysiological features，relation among five elements，generation and transportation of qi，the relationship with fluid retention，and the relationship of modern anatomy.Based on the theory of "co-regulation of lung and spleen"，Prof.Jia Liujin′s clinical experience was summarized in three aspects:prevention of diseases，treatment for exogenous diseases and treatment for internal diseases，with one case as an example.Finally，in combination with modern medicine，the relationship between lung and spleen is explored from neurological and immunological points to find the common aspects in clinical manifestation and pathogenesis between the theory of "co-regulation of lung and spleen" and the respiratory and gastrosplenal diseases in modern medicine.The correct understanding of the theory of "co-regulation of lung and spleen" and attention to the co-regulation of lung and spleen in pediatric clinical practice will play a very important role in improving the diagnosis and treatment of pediatric diseases.

Key words:

Co-regulation of lung and spleen, Nine factors, Clinical application, Jia Liujin