Inclusion Criteria:  Patients aged between 18 and 60 years Traumatic spinal cord injury ASIA Impairment Scale A-D The injury must be within two weeks Patients submitted written informed consent  Exclusion Criteria:  Traumatic spinal cord injury with brain injury or peripheral nerve injury Patients with severe multiple injuries and unstable vital signs Non-traumatic spinal cord injury caused by spinal tumors, hematoma, myelitis, etc. Patients with central spinal cord injury Patients with a completely transected spinal cord Patients with fever or acute infection Ongoing infectious disease, such as tuberculosis, HIV, hepatitis, syphilis, etc. Patients with malignant tumour Patients with neurodegenerative diseases, or any neuropathies Patients with ankylosing spondylitis Patients with a previous history of spinal surgery