Urinary incontinence in eighty year old lady elderly may be caused by physiological factors, acute urinary tract infection disease, overactive bladder disease, neurogenic bladder and other factors. 1. Physiological factors: eighty-year-old lady physiological function decline, in sleep, sleep too deep, may appear incontinence, usually no other clinical symptoms, only occasionally, do not need to carry out other treatment. 2. Acute urinary tract infection disease: not paying attention to daily care, induced acute urinary tract infection disease, such as acute cystitis, may induce urge urinary incontinence, may also be accompanied by urinary frequency, urinary urgency, urinary pain and other symptoms. 3. Overactive bladder syndrome: it may be related to the decrease of estrogen level, which will lead to frequent bladder contraction, and in severe cases, it will induce urinary incontinence, which may be accompanied by symptoms such as urinary frequency and urgency. 4. Neurogenic bladder: may be related to cerebrovascular accidents, brain tumors, cervical spondylosis and other factors, will lead to damage to the central nervous system, incontinence will occur, may also lead to urinary difficulties as well as urinary retention. Eighty-year-old lady incontinence frequent or accompanied by other obvious abnormalities, it is recommended to seek medical examination and treatment, to avoid delays in the condition.