Abstract: Objective To evaluate the CT diagnosis of cervical spine disc pathological changes and it's clinic value. Materials and Methods study the CT images of 80 cases cervical spine disc pathological change with cervical spine disk pathological changes to lead to happen; bulked yarn and emerge is singularly, mostly is pop out; single vital link is singularly and briery is multiangular; C5/6,C4/5and C6/7 pathological changes is multiangular;the degree of pop out is between 2mm and 5mm. Conclusion CT scanning can display the vital link and type of cervical spine disk pathological changes, also can photocopy gist for clinical cure. spinal cord and nerve root and offer photocopy gist for clinical cure.