Spinal cord injury (SCI) is one of the central nervous system (CNS) diseases with high disabled rate, which is still lack of effective method in clinical treatment. Recently, many researches have indicated that transplantion of bone marrow stromal cells (BMSCs) or olfactory ensheathing cells (OECs) can enhanc axonal sprouting and promote functional recovery to animals with spinal cord injury. BMSCs or OECs has special biological character respectively which is the foundation of BMSCs or OECs repair SCI, but...