Abstract: In the theoretical system of traditional Chinese medicine, the theory of five elements plays a very important role. The physiological connection between the five internal organs is often analyzed through generation and restriction of the five elements, and the interaction of five internal organs is always explained by the invasion-insult of the five elements and the mother-child regulation. An organ is damaged, the other organs will be damaged, too. This article, based on lung diseases, respectively discussed the etiology and pathogenesis of lung diseases infecting the spleen, the liver, the kidney, and the heart by using the theory of five elements. Besides, according to the generation and restriction of five elements used in the analysis of the five organ diseases, the article talked about the treatment ways of supplementing mother and draining child, restricting the mother and draining child, restricting the strong and supporting the weak, in order to provide reference for clinical treatment.

Key words: Pulmonary disease, Etiology and pathogenesis, Five-element theory, Child