This is the early results of 20 cases of massive osteoarticular allograft performed for reconstruction of lower limb s after resection of bone tumors. These cases include 7 distal femur and hemiarticular ,6 proximal tibio and hemiarticular, 3 total knee joints and 4 proximal femur with total hip replacement. Bone allografts were taken at steril condition from early postmortum cadavers and stored at -85. Allograft were fixed by plate and screwss without autogenous bone grafting. Patients were followed up carefully for 6 to 18 months, complications include acute infection in one, chronic infection in 2. Failure of fixation in 1 and skin necrosis on allograft in 1 patient and no sign of severe immunologic reaction was observed. Overall the results was good in 15 patients(75℅).