Objective To investigate the clinical efficacy of acupuncture combined with heavy moxibustion at Guan yuan (关元CV 4) in treating stress urinary incontinence of elderly women. Methods Patients (31 cases) were treated with acupuncture combined with double moxa sticks at CV 4 for 30 minutes, once a day, with 10 days of treatments as a therapeutic course, lasting for 3 courses and 3 days interval between courses. 4-5 courses were treated in severe cases. After treatment, condition of urinary incontinence of the patients was observed and the efficacy was analyzed. Results After treatment, 18 cases were cured, 7 cases were marked effective, 14 cases were effective and 2 cases were failed, and the total effective rate was 93.54%. Conclusion The acupuncture combined with heavy moxibustion at CV 4 has remarkable efficacy on stress urinary incontinence of elderly women.