[目的]介绍一种新的GartlandⅢ型肱骨髁上骨折的手术方法。[方法]取肘后内侧切口,尺神经常规前置,尺神经沟置针与桡侧克氏针交叉固定GartlandⅢ型肱骨髁上骨折。[结果]46例病人随访1 a以上,肘关节功能优良,其中1例轻度肘内翻畸形,无继发性尺神经伤。[结论]此方法一期解决骨折复位固定并避免术后并发症,创伤小,患者易接受,适合普及推广。 [Objective] To introduce a new surgical method of Gartland Ⅲ supracondylar humerus fractures. [Method] The Gartland Ⅲ supracondylar fractures of the humerus were fixed with the medial incision of the elbow, the anterolateral anterior ulnar nerve, the ditch of the ulnar nerve and the Kirschner wire of the radial side. [Results] The 46 patients were followed up for more than 1 year, elbow function was excellent, including 1 case of mild cubitus varus deformity without secondary ulnar nerve injury. [Conclusion] This method is to solve the first phase of fracture reduction and fixation and avoid postoperative complications, trauma, patients are easy to accept, suitable for universal promotion.