Temporary traffic light device

The invention discloses a temporary traffic light device. The temporary traffic light device comprises a floor lamp fixing device and a mobile traffic light device; the floor lamp fixing device comprises a floor lamp body; the floor lamp fixing device further comprises a plurality of rod outlet holes and a plurality of first electric air cylinders; each first electric air cylinder is arranged in the corresponding rod outlet hole and fixedly connected with the floor lamp body at the bottom of the rod outlet hole; a first single-chip microcomputer is electrically connected with the first electric air cylinder and controls opening and closing of the first electric air cylinder; the floor lamp fixing device further comprises an infrared induction device fixedly arranged in the upper surface of the floor lamp body; when the infrared induction device is covered by a mobile traffic light device, the first single-chip microcomputer controls the first electric cylinder to raise a first piston rod; and the lifted first