Stress urinary incontinence surgery success rate in 95%, stress urinary incontinence, especially severe stress urinary incontinence, will generally choose the urethra, vaginal urethral suspension, this procedure is currently more widely carried out clinically, mature, so far there have been decades of history, high clinical success rate of surgery. Stress incontinence is generally considered to be caused by pelvic floor muscle relaxation, the uterus, bladder around the pelvic floor muscle holding the urethra, once the pelvic floor muscle relaxation, the pelvic floor muscle can not withstand gravity, such as increased abdominal pressure, at this time, urine will flow. The purpose of the surgery is to hold up the urethra, which is equivalent to artificially increasing the strength of the pelvic floor muscles to hold up the urethra and then achieve the purpose of urine not flowing out. Although this surgery is more mature, there have been complications, the complications are as follows: 1, the surgical sling is too tight, the patient will have difficulty in urination, can not urinate; 2, the sling is too loose, the patient still has incontinence symptoms after surgery, but better than before surgery, but not completely disappeared; 3, the patient has a reaction to the sling foreign body implantation, there is a feeling of discomfort, or sling corrosion or infection, then the second Other complications are not significant, and the operation is not difficult and the recovery is faster and less traumatic.