脑性瘫痪儿童分为四肢瘫 ,双瘫和偏瘫。偏瘫患儿由于患侧软瘫或硬瘫的程度不同而使肢体长度的发育有所差别。矫形外科医师在决定何时实施肢体等长术时 ,一系列的肢体长度和骨龄测定是很有必要的。资料与方法　这是一项对做过治疗的偏瘫患儿的回顾性研究。 38例有扫描照片和X线 Children with cerebral palsy are divided into quadriplegia, double paralysis and hemiplegia. Children with hemiplegia due to the affected side of the extent of paralysis or paralysis of varying degrees of physical development of limb length vary. A series of limb length and bone age determinations are necessary when orthopedic surgeons decide when to perform limb isometry. Materials and Methods This is a retrospective study of treated children with hemiplegia. 38 patients had scanned photographs and X-rays