Because of the special anatomical structure and biomechanical characteristics,femoral head is recognized as the most common part of the osteonecrosis,adult osteonecrosis of the femoral head (ONFH) is a pathology process caused by various etiologies which destroy the blood supply of femoral head and lead bones" active constituents (including bone cell,bone marrow hematopoietic cells and adipocyte) to death.