目的:探讨带趾骨背侧骨质的第2趾甲皮瓣修复手指甲床缺损的临床疗效。方法:自2012年1月至2019年6月,对收治的10例手指甲床全部缺损的患者采用带趾骨背侧骨质的第2趾甲皮瓣修复,术后观察皮瓣成活情况,门诊随访观察伤指的末节指骨愈合情况、指甲外形及指关节的屈、伸功能。结果:10例第2趾甲皮瓣全部成活。术后随访4~12个月,平均8个月,10例伤指的骨连接端均愈合良好,未出现骨不连,指甲外形良好,未出现畸形。手功能恢复按中华医学会手外科学会上肢部分功能评定试用标准评价,优9例,良1例。结论:带趾骨背侧骨质的第2趾甲皮瓣切取方便,操作简单,临床效果较好,是一种良好修复手指甲床缺损的治疗方法。“,”Objective:To explore the clinical effect of the second toenail flap with the dorsal bone of the phalange in repairing the defect of fingernail bed.Methods:From January, 2012 to June, 2019, 10 patients with large area of fingernail bed defect were treated by the second toenail flap with bone on the back of the phalanx. The survival of the flap was observed after the operation, and the fracture healing, the shape of the nail and the flexion and extension function of the finger joint were observed in the outpatient follow-up.Results:All flaps of the second toenail survived. The average follow-up period was 8 (4-12) months. The fractured ends of 10 patients' phalanges healed well without nonunion, good appearance of toenail and deformity of toenail. The recovery of hand function was evaluated according to the evaluation standard of upper limb function of Hand Surgery Society of Chinese Medical Association, 9 cases were excellent, and 1 case was good.Conclusion:The second toenail flap with dorsal bone of the phalanx preserved is easy to cut, simple to operate, and has good clinical effect. It is a good method to repair the defect of the fingernail bed.