Objective To investigate the clinical effect of free ultra-thin superficial peroneal artery perforator flap for repairing the wound in forefoot.Methods From January 2010 to June 2012,six cases were treated with free ultra-thin superficial peroneal artery perforator flap for repairing the wound in forefoot,including 4 cases of dorsal defect,two cases of wound on the toe.The size of the wound ranged from 3.0 cm × 5.0 cm 5.5 cm × 8.0 cm.Four cases for direct suture,two cases of donor site repairing with skin graft.Results All of 6 cases were repaired successfully and no vascular crisis occurred,and clinical follow ups were performed after 3-12 months,the results was satisfactory.Conclusion It is an effective method of repairing the wound in forefoot by free ultra-thin superficial peroneal artery perforator flap.