Of 62 supracondylar fractures of the humerus in children treated for 10 years, 27 cases are described with follow-up study of 2 years and 6 months on average. These patients were treated percutaneous K-wires fixation after closed reduction. This method takes advantage in stability of fixation, vascular safety with any permissible any position of the elbow, early ambulation and short hospital stay, and low incidence of varus deformity in follow-up. Complication included transient ulnar sensory change, pin-tract infection and inaccurate position of K-wires. We observed 1 case of clinical cubitus varus among 17 cases during more than one-year follow-up and concluded this unhappy result was associated with imperfect initial reduction rather than growth disturbance or initial displacement.