More than 50% patients underwent prostatectomy suffered from postoperative incontinence, and the effect of pelvic floor muscle training is very limited. Electrical acupuncture stimulation therapy has been demonstrated to work on other kinds of Urinary Incontinence. Before this trial, the researchers have conducted pre-experiments where electrical acupuncture stimulation therapy was conducted for few postprostatectomy Incontinence patients. On the basis of the preliminary work, this prospective, random control research aims to verify the safety and effectiveness of electroacupuncture in the treatment of postprostatectomy Incontinence.