If an elderly man cannot urinate, he needs to go to the hospital and receive symptomatic treatment: 1. If an elderly man cannot urinate due to prostate disease, he needs to be temporarily given an indwelling catheter, and after adequate drainage, he can be treated for prostate disease, such as oral medication, including tamsulosin hydrochloride extended-release capsules and finasteride tablets, etc. He can also undergo prostate surgery. If the urethra is completely blocked and the urethra cannot be inserted, a temporary cystostomy is required to wait for the urine to drain. If the urethra is completely blocked and cannot be inserted into the urethra, a temporary cystostomy will be performed and the urine will be drained and then surgical treatment will be performed after the patient’s preoperative evaluation is completed, such as urethral stone lithotripsy and urethral tumor resection. 3.