Fractures around the elbow joint in children often occur following falling down but concomitant fractures of distal humerus lateral condyle and olecranon are rare. In this report, a six–year–old boy referred to emergency department of Shafa yahyaian hospital is presented who suffered from pain and swelling of the left elbow following falling down. The neurological, vascular and skin examination was normal. Radiographic images showed displaced and concomitant fractures of left distal Humerus lateral condyle and Olecranon. The patient was treated by open reduction and pin fixation with posterolateral approach and then was immobilized with a long-arm splint. After 5 weeks, pins were removed. After 7 weeks, the patient had a painless elbow with full range of motion.