To observe the effect of Longmu Zhuanggu granules on treating pediatric hidrosis syndrome.Methods:Sixty children with hidrosis syndrome were divided into control group and observation group.The observation group were given Longmu Zhuanggu granules，while the control group were given Xuhanting granules.Results:After 2 months treatment，the effect of observation group was better than control group on both spontaneous sweating and night sweating.Conclusion:Longmu Zhuanggu granules has good effect on pediatric hidrosis syndrome and is worthy of clinical application.