Objective The effects of qianlie granute was observed to inhibit rat prostate growth.Methods An experimental model of prostatic hyperplasia of castrated male rat induced by testosterone propionate was made.The rats were randomly apportioned into normal control group, testosterone propionaste (TP)group,qianlie granute and TP group,TP was subcutaneously injected into rat two times every day.Finally HE dying prostatic tissues section were observed.Results Qianlie granute could significantly inhibit rat prostatic hyperplasia induced by testosterone propionate. HE dying prostatic tissues section shows that rat prostatic hyperplasia was inhibited.Conclusion Qianlie granute could significantly inhibit rat prostatic hyperplasia induced by testosterone propionate.