Cervical vertebra bracket

The utility model relates to the technical field of orthopedics, in particular to a cervical vertebra bracket which comprises a lower bracket and an upper bracket, the upper bracket is movably installed in the lower bracket, an upper connecting frame is fixedly installed on the upper bracket, an upper angle adjusting piece is movably sleeved on the upper connecting frame, a lower connecting frame is fixedly installed on the lower bracket, and a lower angle adjusting piece is movably sleeved on the lower connecting frame. The lower angle adjusting piece is fixedly connected with an outer cover, an inner thread ring is arranged at the end of the outer cover, a screw is movably installed on the upper connecting frame, the screw penetrates through the inner thread ring in a threaded mode, the end of the screw is connected with a rotary knob, and the rotary knob is located in the outer cover. According to the utility model, the total length of the outer cover and the screw rod can be adjusted and controlled by rot