Objective: To observe the therapeutic effects of Zishen Tongli Jiaonang (滋肾通利胶囊 capsules for nourishing the kidney and promoting urination) for treatment of urinary infection. Method: The treatment group with a control group were randomly set up. 120 patients in the control group were given antibiotics according to drug sensitive tests for orally taking or intravenous drip, while 136 patients in the treatment group were additionally given the capsules on the basis of the above-mentioned treatment. One course of treatment lasted 2 weeks. Statistical analysis on the therapeutic effects was conducted after a two-course treatment. The recurrence rates of the two groups were compared one year later. Results: The total remission rates were respectively 96.3% in the treatment group and 81.7% in the control group (P＜0.05).The recurrence rates one year later were respectively 4.4% in the treatment group and 30.0% in the control group (P＜0.01). Conclusion: The capsules show good effects for urinary infection, especially in the longterm effect.