An adjustable complex of an artificial cervical vertebra and an intervertebral connector includes: a vertebra body； and two end plates respectively connected to a top end and a bottom end of the vertebra body by spherical joint structures； wherein the vertebra body comprises: an upper vertebra body； and a lower vertebra body； wherein the upper vertebra body is axially connected to the lower vertebra body by a screw thread； a plurality of radial screw holes are correspondingly provided on side surfaces of the upper vertebra body and the lower vertebra body； a length-fixing screw is provided though the radial screw holes of the upper vertebra body and the lower vertebra body； wherein end plate fixing screws are respectively provided on the two end plates. The adjustable complex has a support function of an artificial vertebra and movability of an artificial intervertebral disc.
