目的 :探讨颏底皮瓣修复口周软组织缺损的改良术式。方法 :设计一较窄较细长的颏底岛状皮瓣 ,以口周软组织缺损大小形状 ,采取皮瓣侧向折叠增加宽度的移植方法修复较宽大的创面 ,供皮瓣区直接拉扰缝合。结果 :修复的软组织缺损创面外形丰满 ,质地柔软 ,色泽与面部皮肤相近 ,皮瓣无 1例坏死 ,效果满意。结论 :此方法修复创面外形美观 ,达到整形美容效果 ,因供皮瓣区无需移植大张皮修复 ,从而避免了颏下大片瘢痕遗留 Objective: To explore the improved technique of repairing perioral soft tissue defect by the chin base flap. Methods: A narrower, narrower, long, narrow island-shaped island flap was designed. Peripapillary soft tissue defect size and shape were taken. Lateral folds were used to increase the width of the wound to repair wider wounds. . Results: The defect of repaired soft tissue defect was plump, soft and with similar color and facial skin. There was no necrosis in the flap and the result was satisfactory. Conclusion: This method can restore the beautiful appearance of the wound and achieve the cosmetic effect. Because of the large flap repair without skin flap area,