Bedwetting in the elderly may be associated with poor urinary control, as well as prostate hyperplasia, urinary tract infections, urethral stones and other diseases. 1. Poor urinary control: as the elderly age, all body functions will weaken, bladder control may also become poor, leading to bedwetting in the elderly. 2. Prostatic hyperplasia: this is a male disease and one of the most common causes of urinary disorders in elderly men, which can cause bladder irritation symptoms such as frequent urination, urgency and even bedwetting. 3. Urinary tract infection: when the elderly suffer from urethritis, cystitis and other diseases. It can cause frequent urination, urinary urgency, and bedwetting can easily occur at night. 4. Urethral stones: prolonged urethral stones can compress the bladder nerves of the elderly. May lead to the emergence of bedwetting phenomenon. There are many reasons for bedwetting in the elderly, when the elderly frequent bedwetting affects their lives, they should consult a doctor in time, under the guidance of the doctor to clarify the cause, in order to actively treat.