to observe therapeutic effect of the Chinese patent medicine of prostate soothing capsule、Terazosin, and the combined medication of both medicine on chronic nonbacterial prostatitis.Methods:Ninety-seven patients of chronic nonbacterial prostatitis were randomly divided to three groups: group A (35 cases) was treated with prostate soothing capsule, three capsules each time, three times a day. Group B (30 cases) was treated with Terazosin, 2mg daily, taken in the evening.Group C (32 cases) was treated with a combined therapy of both medicines.Results:All of the three groups showed significant improvement of symptoms, and group C had best effects.Conclusion:both prostate soothing capsule and Terazosin are effective for chronic nonbacterial prostatitis, but a better effect is achieved through a combination therapy.