Urinary incontinence is divided into four types, different types of etiology is also different, as follows: 1, true incontinence, manifested as uncontrolled leakage of urine at any time, mostly due to urethral sphincter injury or urethral innervation nerve disorders, clinically most common in neurogenic bladder, female urethral birth injuries, as well as prostate surgery caused by the external sphincter of the urinary tract injuries; 2, stress urinary incontinence, most common in women who are menstruating or postmenopausal, manifested as Leakage of urine after coughing, mostly due to pelvic floor muscle relaxation; 3, filling incontinence, manifested as from time to time leakage of urine with urinary difficulties, is due to a large amount of residual urine in the bladder, clinical obstruction of the lower urinary tract, for example, prostatic hyperplasia; 4, urgent incontinence, manifested as a strong desire to urinate, can not control the leakage of urine, the clinical mostly due to urinary tract infections caused by inflammation caused by irritation of the bladder leakage.