Abstract： Objective To discuss the clinical efficacy of the pelvic floor muscle function recovery low frequency electrical stimulation treatment on the post - labour urine retention. Methods From Aug 2008 to Aug 2009, 36 patients who were after 6 ～ 8 hours of vaginal delivery had difficulty urinate herself, and the methods including heating the water flow, warm pad and message the bladder area, neostigmine had no effect. The patients were given low frequency electrical stimulation treatment, 20 minute twice per day. Results Among 36 patients, 26 cases got urinate well after twice treatment course, and 10 cases got urinate well and residue urine volume <50 ml was measured by ultrasound after 4 treatment course. Conclusions Pelvic floor muscle function recovery low frequency electrical stimulation treatment for the post - labour urine retention has obvious efficacy, and easy manipulate, safe, reproducible, painless, which is worth to promoting.