Abstract:The experimental results indicate that the decoction of Chinese drugs Carthamus tinctorius,Angelica sinensis and Leonurus sibiricus has stimulating action on the uterus of mouse in vitro. The stimulating action of Carthamus tinctorius and Leonurus sibiricus has been found related to stimulating H1-receptor and α-adrenergic receptor of uterus, but theaction of Angelica sinensis to stimulating H1-receptor of uterus only.