Guidance: 1, the cause of the treatment of the most ideal treatment is to remove the cause of hydrocele, preserving the affected kidney. Surgery depends on the nature of the cause, for example, congenital stenosis of the renal pelvic ureteral junction can be pyeloplasty, kidney, ureteral stones can be lithotripsy or lithotripsy, these surgeries can be carried out by endoscopy in recent years. These procedures can be performed endoscopically in recent years. Hydrocele and renal function will be improved after surgery.

2, nephrostomy if the situation is critical or the cause of hydronephrosis is not removed, should be above the obstruction of the first drainage, to be infection control, and then implement the removal of the cause of the operation. If the cause of obstruction cannot be removed, nephrostomy is used as a permanent treatment measure.

3, nephrectomy hydronephrosis is serious, the remaining renal parenchyma is too little, or accompanied by a serious infection that is renal pus, if the opposite side of the renal function is good, the diseased kidney can be removed.