本文对严重的伸直型肱骨髁上骨折２５例采用前外侧入路手术治疗，手术年龄２岁３月至１１岁１１月。随访时间最长３年，最短９个月，术后结果２例肘关节欠伸２０度，其余全部正常，无１例肘内翻畸形。本文对前外侧入路的优点，手术指征及并发症预防进行了讨论，强调本病仍以闭合复位治疗为主，复位失败，血管神经损伤，开放性等严重移位骨折宜手术治疗。 In this paper, 25 cases of severe straight humeral supracondylar fractures treated by anterior approach, the operative age of 2 years old from March to 11 years in November. The longest follow-up period was 3 years and the shortest was 9 months. Two cases of elbow joint had underdelivery of 20 degrees and the rest were all normal without any cubitus varus deformity. This article discusses the advantages of anterolateral approach, surgical indications and complications prevention, emphasizing the disease is still mainly closed reduction treatment, failure to reset, vascular nerve injury, open severely displaced fractures should be surgically treated.