Wuzi Yanzong Wan ”, an ancient prescription of Chinese Traditional Medicine published in 〈Xuanjie Lu〉of Tang dynasty is mainly used for curing symptoms like impotence and being hort sperm.In order to provide scientific basis for futher study of this prescription, the influence of “Wuzi Yanzong Wan” on the weight of genitals of castrated mice, on the sperm number of male rats and, also, on the recovery of disorder of male rat's sexual function caused by terror was observed.The results showed that “Wuzi Yanzo...