The disclosure relates to a cervical spine fixation apparatus comprising: a body a spacer and a frame which is positioned on the lateral side of the spacer and couples with the spacer, wherein the frame has a coupling part for coupling with the body, and the body comprises a hole in which the coupling part of the frame is inserted. Or, the disclosure relates to a cervical spine fixation apparatus comprising: a body and a spacer having a coupling part, wherein the body comprises a hole in which the coupling part is inserted, and the spacer moves with respect to the body.
