The invention discloses a carrying device which comprises a base, a vehicle frame and carrying frames. The carrying frames are installed on the vehicle frame. The carrying device further comprises thecarrying frames with lifting forks, a lifting device and a suction disc device. Vertically-installed C-shaped grooves are formed in the left end and the right end of the base. The left carrying frameand the right carrying frame are installed in the C-shaped grooves through guide pulleys and slide up and down along the shape of the grooves. The carrying frames are provided with the lifting forks,the two carrying frames are connected into a whole through a height adjustment support, and the height adjustment support is installed on a lead screw transmission lifting device. The suction disc device comprises suction discs, crank arms and a lead screw sleeve, the suction discs are installed on the lead screw sleeve through the crank arms, and the lead screw sleeve is located on a lead screwtransmission structure. Compared with a traditional metal middle cabinet movable installation device, the carrying device can easily lift up a middle cabinet, and time and labor are saved. The carrying device is fixed through a ratchet wheel banding belt, and a switch cabinet and the carrying device can be quickly fixed into a whole. Meanwhile, universal wheels are arranged on the base of the carrying device, flexibility is high, the space limitation is eliminated, and the application range is wider.