Bladder neck obstruction in women is also known as bladder neck sclerosis, Marion’s disease or bladder neck contracture. It is a common occurrence in older women. The incidence increases with age. If left untreated, it can lead to serious consequences of upper urinary tract dilatation, hydronephrosis, and renal impairment in late stages. Female bladder neck obstruction pathogenesis etiology, pathogenesis is complex, and there is a lack of uniform understanding. 1, may be inflammatory, non-inflammatory or aging phenomena caused by bladder neck fibrous tissue hyperplasia, bladder neck muscle hypertrophy, sclerosis due to chronic inflammation and periurethral glandular hyperplasia due to hormonal imbalance in elderly women. 2, the bladder neck obstructive lesion is serious causing difficulty in urination or even urinary retention, which will cause hydronephrosis in the long term, producing the same symptoms and results as male prostate enlargement. 3. The disease is presumed to be a connective tissue disease because of the presence of collagen-forming fibroblasts found in the structure of the local tissue. 4. Congenital malformations, especially poor bladder neck nerve and muscle structure, early nerve damage; vaginal, urethral, and bladder neck surgery secondary to the formation of bladder neck sclerosis. The disease can occur at any age, mostly in the elderly, the older the incidence, the higher the incidence of female patients are more than 30 years of age, and mostly occur in married women who have given birth, accounting for 2.7% to 8.0% of abnormal urinary diseases in women. It is mainly a progressive urinary difficulty, manifested as delayed urination, thin urine stream, straining to urinate, urine dripping, and gradually appearing as residual urine, urinary retention and overflow incontinence.