The causes of recurrent urinary tract infections in the elderly include cystitis, urethral stenosis or prostatic hyperplasia, etc., which can be alleviated clinically by oral medication or surgery. 1. Cystitis: mainly due to bacterial infection, can be manifested as urinary tract infection, urinary frequency, urinary urgency, etc., clinically can be treated by oral norfloxacin capsules, levofloxacin tablets or cefaclor tablets and other drugs. 2. Urethral stenosis: mainly due to trauma, the patient in addition to the symptoms of urinary tract infection, may be accompanied by long-term urinary difficulties, urinary symptoms, clinically can be taken to urethroplasty or urethral incision and other ways of treatment. 3. Prostatic hyperplasia: the cause of the disease is still unclear, the patient may be manifested as recurrent urinary tract infections, increased nocturia or urge urinary incontinence, etc., clinically can be treated by oral tolterodine tartrate tablets, terazosin hydrochloride capsule or oxybutynin hydrochloride tablets, etc., and if necessary, can be taken by the urethral laser surgery or urethral resection of the prostate and other ways of treatment. As each patient’s physical condition is different, the corresponding treatment plan is also different, it is recommended to go to the hospital in time.