The invention discloses a vertical and horizontal dual-purpose jack which comprises a base, a big cylinder, a piston rod, a pump and a rotary lifting device, wherein the big cylinder is arranged on the base; a hood is arranged at the top of the big cylinder; the piston rod is arranged in the big cylinder; an oil return twisting valve is arranged on a side wall of the base; the oil return twisting valve is matched with the big cylinder; the pump is arranged on a side wall of the base; a rotating shaft is arranged at the top of a pressing rod of the pump; a rotating base is arranged on the rotating shaft; the rotary lifting device is hinged on the rotating base; a positioning rotating shaft is arranged on the periphery of the pump; a positioning rotating sleeve is arranged on the positioning rotating shaft; a support shaft is arranged on the positioning rotating sleeve; an end part of the rotary lifting device is hinged on the support rod. The rotary lifting device is adopted, an up and down reciprocating pressing swinging rod is adopted for realizing the oil pressing through horizontal jack and a left and right reciprocating pressing swinging rod is adopted for realizing the oil pressing through vertical jack, so that the vertical and horizontal dual-purpose jack can be realized.