Cystostomy surgery, which can be divided into two cases: temporary cystostomy and permanent cystostomy.1. Temporary cystostomy, which only temporarily relieves the patient of urinary retention due to various causes. Such as urethral strictures and prostatic hyperplasia, where catheterization through the urethra fails. This requires an emergency suprapubic cystostomy to drain the urine stored in the bladder and relieve the patient’s symptoms. Treatment such as urethral dilation or surgery of the prostate is then performed to remove the primary cause. Once the primary cause is removed, the cystostomy can be removed without any effect on the patient.2. Permanent cystostomy is indicated for patients who are unable to urinate due to long-term uropathy or innervation and other factors that lead to hydronephrosis and renal impairment. In this case, cystostomy is required for decompression and drainage. Permanent cystostomy is required when the patient has poor cardiopulmonary function and cannot tolerate surgical management of the prostate or urethra, as in the case of sequelae of cerebral hemorrhage or when there is damage to the spinal cord leading to paraplegia, etc., or when there is prostatic hyperplasia or urinary retention.