The invention discloses a double-headed pipe end forming machine, wherein the positions of forming devices can be adjusted according to the length of a pipe fitting. The double-headed pipe end forming machine comprises a machine body, a pair of clamping devices fixed on the machine body and a pair of forming devices positioned at two sides of the clamping devices, wherein movable towing plates are respectively and movably arranged on the machine body outside the clamping devices, a main push cylinder in each forming device is arranged on each movable towing plate, a pair of mutually parallel linear guide rails are also arranged on the towing plate, a forming die holder is movably arranged on the linear guide rails, a connecting plate is arranged on each main push cylinder, two sides of the connecting plate are respectively provided with a connecting flange; the outer side of each linear guide rail is provided with a screw rod base which is internally provided with a screw rod nut, a screw rod is penetrated into the screw rod nut, and the end part of one end of the screw rod is movably clamped in the connecting flange at one corresponding side on the connecting plate. The invention has very convenient use, and can ensure the planeness of the forming die holder during advancing, thereby improving the forming quality of the pipe end.