Causes More than 90% of the cases are anatomical stress urinary incontinence, which is caused by the relaxation of pelvic floor tissues. The main causes of pelvic floor tissue relaxation include pregnancy and vaginal delivery injury, postmenopausal estrogen level decreases and so on. Second, the clinical manifestations of abdominal pressure increases such as coughing autonomy laughing sneezing lifting heavy objects sneezing involuntary easy to urinate, and urinary frequency and urgency and acute urinary incontinence and bladder distension after urination is a common symptom. Third, treatment 1, strengthen the pelvic floor muscle exercise. 2.Vaginal local estrogen treatment. 3.Orally take sandwich wood. 4.Surgical treatment if necessary.