Hypertrophy of the intervesical ridge is one of the clinical manifestations of bladder neck contracture. Bladder neck contracture is an important bladder neck obstruction problem. The bladder neck is defined as a tubular section of the urethra extending 1 to 2 cm in length from the internal urethral orifice into the urethra. It includes the internal sphincter, but the internal sphincter is not the entirety of the bladder neck. Contracture of the bladder neck can be congenital or acquired. Congenital cases often have no clear cause other than typical local pathological changes and are more common in men; acquired cases are often due to local chronic inflammatory conditions such as posterior urethritis, prostatitis, and deltoiditis, and the incidence is not lower in women than in men. Congenital cases are most often seen in children and often have urinary disorders before the age of six, but it is not uncommon for them to develop after the age of 20 or 30. It is thought to be related to chronic inflammation, with the pathology showing replacement of the submucosal smooth muscle of the neck with fibrous connective tissue, pale, stiff and fixed bladder neck, and narrowing of the neck opening. The manifestation of bladder neck obstruction, i.e. prolonged difficulty in urination, appears. In women, also known as female prostate disease, it is more common in middle-aged and older women. Bladder neck contracture in men can occur at the same time as prostatic hyperplasia. Therefore, the bladder neck should also be shaped after prostate removal, otherwise the obstructive symptoms cannot be relieved. The clinical manifestations of interureteral ridge hypertrophy are difficulty in urination, straining to urinate, segmental urination, crying urination in children, dripping urine, and sometimes regurgitant urination. These symptoms are more obvious when combined with urinary tract infection. On examination, a distended bladder in the lower abdomen may be emitted, but it may not always be obvious. The diagnosis of inter-ureteral ridge hypertrophy is based on the history of dyspareunia as the main clue. Therefore, we should ask for details of the urinary disorder. On examination, attention should be paid to the presence of bilateral renal masses, palpation and percussion, and whether the bladder is bulging. However, the diagnosis of the disease must be confirmed by cystourethroscopy and x-ray examination.