用前臂尺侧游离皮瓣即刻修复口腔颌面肿瘤切除后缺损１０例，全部成功。本皮瓣除有前臂桡侧皮瓣的优点外，尚有部位较隐蔽，少毛和质地更细腻等优点，更受患者欢迎。多数情况前臂正中静脉的直径是能适合与受区血管吻合的，可用其代替贵要静脉，以便于操作。 Ten cases of oral and maxillofacial tumor resection were repaired immediately with ulnar free flap of forearm, all of them were successful. The flap in addition to the advantages of forearm radial flap, there are parts more subtle, less hair and texture more delicate advantages, more by patients welcome. In most cases, the diameter of the median forearm vein is suitable for the anastomosis of the affected vessels, and it can be used instead of the main vein to facilitate the operation.