The invention discloses a Cervical vertebra massager comprising a soft material water bag; a massage seat is arranged in the water bag; a pump shell is connected in middle of the top of the massage seat; a centrifuge water wheel is connected in the pump shell in a rotary mode; a motor used for driving the centrifuge water wheel to rotate is arranged below the massage seat; two sides on top of themassage seat are respectively connected with a drum seat; a hollow drum is connected in each drum seat in a rotary mode; at least one end of the drum is connected with the drum seat; water nozzles arranged in a helix are formed on the side wall of the drum; water spray slots are formed on opposite side walls of the two drum seats; when the drum rotates, the water nozzles aims at the water spray slot in turns; the side face of the pump shell is connected with a water outlet channel that is connected with the drum mount seat; an impeller driven by the water current sprayed from the water outletchannel is arranged below the drum in the drum seat, and connected with the drum in transmission. The Cervical vertebra massager can contentiously massage the Cervical vertebra in turns via the watercurrent impact, and can adjust the water temperature.