Abstract：According to the classification of the five elements constitutioned man in the Huang Di Nei Jing (The Yellow Emperor's Inner Classic)，combined with the relevant literature and clinical experience of later generations，the morphological characteristics of five elements constitutions were summarized，and the differences in the treatment of insomnia were analyzed from the perspective of five elements constitutions， so as to help clinical workers combine syndrome differentiation and body differentiation in treatment，and provide references for the clinical treatment of insomnia.