Background: Aseptic necrosis of head of femur of children is a kind of ischemic necrosis of the center of epiphysis of femoral head. Currently we treat it with synovectomy, transplantation of vessel tract, intertrochanteric osteotomy and every kinds of pelvic truncation to improve head-mortar relation, but the effect is not satisfying. After head of femur conversion and self-ilium transplantation operation, the follow-up effect is satisfying.Objective: Discussing the treatment effect of operation on children aseptic necrosis of head of femur.Unit:Second Peoples Hospital of Ningxia Municipality.