A device for moving bridge girder erection machine comprises a frame and four wheels, wherein a forcipated clamp is connected to the frame; a handrail is connected to the back part of the frame; the four wheels comprise a pair of front big wheels and a pair of back small wheels; frame vertical beams are connected between front big wheel frames and back small wheel frames on the left side and the right side; a portal frame is connected between the two frame vertical beams; a jack is connected to the upper surface of the middle part of a cross beam of the portal frame; through holes are formed on the two sides of the jack on the cross beam; two forceps handles of the forcipated clamp are inserted into the two through holes; the upper end of the forcipated clamp is hinged with a carrying pole beam of the forcipated clamp, and the lower end thereof are hinged with two J-shaped forceps heads; the heads of the two J-shaped forceps heads are opposite, the middle parts of the J-shaped forceps heads are hinged through a hinge shaft; and the carrying pole beam of the forcipated clamp is supported at the top part of the jack. The device has the advantages of improved working efficiency, simple structure, convenient operation, very convenient use and no any potential safety hazard.