【摘要】 目的 探讨汶川大地震伤员颌面损伤CT表现及其诊断价值。 方法 对2008年5月12日-7月23日就诊的汶川大地震颌面部伤员51例的CT资料进行回顾性研究。 结果 颌面部骨折21例，多发骨折12例。眼部外伤性改变9例，鼻面部外伤性改变38例。 结论 地震颌面部损伤发生部位主要在鼻面部。CT扫描结合临床检查，能对地震性颌面部外伤的诊断提供帮助。【Abstract】 Objective To observe the features and diagnostic value of CT for maxillofacial injury in Wenchuan Earthquake. Methods The clinical data and CT images of 51 patients with maxillofacial injury in Wenchuan Earthquake from 12th May to 23rd July, 2008 were retrospectively analyzed. Results There were 21 patients (41.2%) with maxillofacial fracture, 12 with multiple fracture, 9 (17.6%) with eye injury, and 38 (74.5%) with facial and nasal injury. Conclusion The facial and nasal injury is the main injury in the maxillofacial trauma caused by the earthquake. CT is helpful to diagnose this kind of injury.