Elderly people can’t urinate may be caused by prostate hyperplasia, urethral stones, bladder tumors, trauma and other diseases, which can be treated by medication, surgery and other methods, there is no quick fix. 1. Prostatic hyperplasia: If the male elderly have prostatic hyperplasia, it is easy to compress the urethra in the prostate, causing urinary tract obstruction, resulting in symptoms of urinary incontinence when the elderly have a full bladder. Patients can follow the doctor’s instructions to use tamsulosin, finasteride and other drugs, which can effectively relieve the symptoms of urinary inability of the elderly. 2. Urethral stones: when the elderly urinary tract stones, causing urinary tract obstruction, can also lead to the symptoms of urinary incontinence in the elderly. The location of stones can be clarified through X-ray examination and cystoscopy, and the symptoms of inability to urinate can be treated by discharging stones out of the body through laser crushing and minimally invasive stone removal methods. 3. Tumor: urinary tumor can cause urination difficulty, which can be treated by bladder tumor, ureteral tumor resection and other methods. 4. Trauma: common ureteral injury, if the wound is small, most of them can be completely healed after anti-inflammatory, antibacterial and resting for a period of time, because the ureter itself has strong absorption ability. If the ureter injury is very serious, or even has been fractured, it will need to be surgically sutured. There are other reasons why elderly people cannot urinate, so it is recommended to go to a specialized hospital to clarify the cause of the disease and under the guidance of the doctor for further examination and treatment.