Fabricated building supporting device based on BIM

The utility model relates to the field of supporting devices, and discloses a fabricated building supporting device based on BIM. According to the prefabricated building, a side sliding groove is formed in the side, away from the prefabricated building, of the abutting plate, a supporting block is slidably connected into the side sliding groove, the supporting block can slide in the side sliding groove, the side sliding groove can stabilize the sliding position of the supporting block on the surface as much as possible, a protection shell is fixedly connected to the top of the supporting base, and a bottom sliding groove is formed in the protection shell; the bottom of the sliding block is connected to the bottom sliding groove in a sliding mode, the sliding block can slide in the bottom sliding groove, the sliding position of the sliding block can be stabilized as much as possible through the bottom sliding groove, and a person can adjust the position of the first screw by rotating the handle, so that the ab