[Objective]The paper summarizes Professor HAN Xinmin's experiences on treating pediatric sigh by using Gualou Xiebai Banxia decoction.[Methods] By learning from Professor HAN Xinmin, recording the relevant cases and analyzing typical cases, to sum up the academic thoughts and effective prescription, as well as list one proved case. [Results] Professor HAN Xinmin holds that most children with sigh have syndromes of deficiency and excess. This is the case of Qi deficiency of the spleen and lung, the insufficiency of the chest Yang and with phlegm evil. Using Gualou Xiebai Banxia decoction with the method of clearing Yang Qi and removing phlegm and activating blood stasis can achieve a satisfactory clinical curative effect by treating based on syndrome differentiation. [Conclusion] Professor HAN Xinmin has unique clinical experience for treating pediatric sigh. Gualou Xiebai Banxia decoction has significant effect, which has the value of popularization and application.