Objective Renal osteodystrophy is a disease of bone metabolism disturbances with chronic renal failure (CRF). It is necessary to take attention on changes of bone metabolism and have an early management.

• 目的 肾性骨病（renal bone disease）是慢性肾功能衰竭时发生的骨代谢障碍疾病,在肾病的早期就应重视骨代谢的改变并及早防治。