Cubitus varus deformity is the most common complication of supracondylar fractures of the humerus in children. For the correction of this deformity, three basic types of osteotomies were known. Among them, the lateral closing wedge osteotomy is the easiest, safest and the most stable method. After osteotomy, the methods of fixation are plate fixation, crossed kirschner wires, staple, and French techniques. Between 1987 and 1991, 15 corrective supracondylar osteotomy of the humerus in adults were perromed at department of orthopaedic surgery inje University, Paik hoshpital Pusan, Korea. All were fixed with plate and screws. From this small series of retrospective study, the authors concluded that plate fixation is good method for the prevention of complication after osteotomy and results are satisfactory.