The damage to the central nervous system or peripheral nerves that control the function of urination and cause vesicourethral dysfunction is called neurogenic bladder. Its main symptoms include: 1, the symptoms of hyperreflexia of the detrusor muscle are caused by uninhibited contractions mainly for urinary frequency and urgency and urge incontinence, some patients show stress incontinence or enuresis. 2. Patients with no reflex of the forceps urinaryis muscle cannot open the bladder neck or open it sufficiently during urination, and often show symptoms such as urinary retention and filling incontinence with difficulty in urination. 3, in addition to urinary symptoms can be accompanied by constipation, fecal incontinence, perineal sensory loss or loss, limb paralysis and other symptoms. What are the causes of neurogenic bladder? 1, spinal cord or cranial injury. 2.Central nerve surgery or extensive pelvic surgery such as radical rectal cancer, radical uterine cancer, pelvic lymph node dissection, etc. 3, congenital diseases such as spina bifida, spinal cord spondylolisthesis, sacral malformation, sacral dysplasia, etc. 4, drug effects: drugs that have an effect on sympathetic and parasympathetic nerve function, such as probenecid, atropine, alcohol, nystatin and drugs used to lower blood pressure, desensitization, antihistamine, etc. can affect the central nerve of urination. 5, certain diseases: diabetes, syphilis, tremor paralysis, spinal cord syndrome, encephalitis, stroke, myelitis, etc. 6.The cause is unknown.