Objective To introduce the method and effect of posterior approach meta-whole vertebrae osteotmony and internal fixation in treatment of the old thorocolumbar verterbral fractures.

Objective To study the clinical outcome of surgical treatments through anterior or posterior approach for thoracolumbar burst fractures.

Treatment of Traumatic Spondylolisthesis of Axis with Posterior Fixation of Both Pedicle of Vertebral Arch and Lateral Mass of Screw;

Objective:To evaluate the clinical effects of posterior cervical fusion in treating atlantoaxial instability.

Objective To evaluate the primary outcome of posterior cervical lateral mass fixation.

One-stage operation in combination with anterior and posterior approach to treat the fracture and dislocation of the lower cervical spine;