Objective Research reconstruction methods of complicated hand injury and transfer types of combined free tissues Methods Applying combined three free tissues to reconstruct extent hand injury 36 cases, there were total four types Results Thirty six cases with 108 free tissues were all survival, the wounds were healed After more than 1 year follow up, restoration of the sensation of pain and temperature were recovered in the transplantation toe and wrap around flap, the two point discrimination was 6～12 mm The function of pinch and opposed was restored The patients can comply the day of life Conclusion Utilization the combined three free tissue transfer to reconstruction complicates hand injuries The time of operation is long, more trauma, reasonable arrange of hand surgeons and have a good knowledge of microsurgery, but the times of operations is less, and shorted the therapy procedure and early rehabilitation