Abstract: In Xu's pediatrics of Shanghai traditional Chinese medicine, it is believed that the pathogenesis of children's insomnia lies in the rise of yang and the weakness of yin, so the treatment is as follows: on the basis of warming the lower and suppressing yang, Huanglian Ejiao decoction is used to warm yang and nourish yin and to control water and fire and yin and yang to restore its normal state, thus forming a treatment with the characteristics of Shanghai traditional Chinese medicine. Based on the warming and suppressing method of Xu's pediatrics of Shanghai traditional Chinese medicine, this paper explores Xu's understanding of etiology and pathogenesis of insomnia in children, and analyzes the characteristics of prescription and medication of tranquilizing method by suppressing yang through the combination with the development characteristics of etiology and pathogenesis in children. A case is included here to provide some references for clinical practice.

Key words: Insomnia, Tranquilizing by suppressing yang, Child