Prostatic hyperplasia is divided into mild, moderate and severe, mild: no need to manage; moderate: need to take medication; severe: need surgery. There are several conditions that must be operated on: (1) recurrent urinary retention (unable to urinate after at least one extubation or twice); (2) recurrent hematuria, 5-alpha reductase inhibitor treatment is ineffective; (3) recurrent urinary tract infections; (4) bladder stones; (your father belongs to this case) (5) secondary upper urinary tract hydrocele (with or without renal impairment). The level of this surgeon varies greatly! Generally speaking, laser surgery is not as good as prostate plasma surgery!