Abstract: Objective To observe the clinical effect of Qi-supplementing and Sweat-suppressing Recipe on hidropoiesis during military training in a hot and humid environment. Methods Three hundred officers and men enrolled for successive military training were randomly divided into experiment group and control group.The officers and men in experiment group administrated Qi-supplementing and Sweat-suppressing Recipe and those in control group drank the same amount of mineral water at the same frequency and time. Results No significant difference was observed in the amount of 5-minute sweating from two axillary fossae and groins,symptoms and signs of the two groups,15 days after successive administration of Qi-supplementing and Sweat-suppressing Recipe and mineral water（P＜0.05）.The total effective rate was 68% and 7.33% for the experiment group and control group,respectively（P＜0.01）. Conclusion Qi-supplementing and Sweat-suppressing Recipe can effectively prevent and treat hyperhidrosis in a hot and humid environment.