Intramedullary nailing is often the treatment of choice in the management of fractures in the tibial diaphysis. With the advent of interlocking nailing, the indication for nailing have expanded, recently. One of the most frequent but little discussed complication of tibial nailing is fracture malalignment leading to angular or rotational deformities. This retrospective study was undertaken to access the incidence of aneular malalignment after interlocking nailing for 210 tibiae(208 patients). The results obtained were as follows;