Abstract: This paper explores the application value of Traditional Chinese Medicine (TCM) theory of "lungs governing skin and hair" and the thinking method of "analogy and classification" in the treatment of pediatric pulmonary diseases.Both "lungs governing skin and hair" and "analogy and classification" are traditional TCM theoretical approaches guiding clinical differential diagnosis and treatment.By discussing the correlation between the lungs and the skin and hair,and then employing the method of analogy and classification,this paper explores the feasibility and efficacy of treating pulmonary diseases by the "skin"-cortex (the character of skin and cortex is the same in Chinese).Starting from the physiological characteristics of children,such as "lung deficiency" and loose cutaneous layers,the paper argues that "cortex-related" herbal medicines (e.g.,Baixian Pi,Hou Po,and Chan Tui) can improve the pathological features of being easily invaded by external pathogens in children.Through case studies,this paper demonstrates a formula containing cortex-related herbs in the treatment of cough (wind-phlegm obstructing the lung) in a 4-year-old child,which is very effective.The results confirm the clinical feasibility of this approach.By integrating traditional TCM theories with modern scientific validation,this paper provides new insights into the diagnosis and treatment of pediatric pulmonary diseases,highlighting the unique advantages of TCM in the field of pediatrics.

Key words: Pulmonary diseases, Lung governing skin and hair, Analogy and classification, Treating pulmonary disease by cortex, Child