PCF corner plate of fabricated building

The utility model discloses a prefabricated building PCF corner plate, including PCF plate, inner diaphragm plate and thermal insulation layer, the inside of PCF plate is fixedly installed with inner rib net, the inner side of PCF plate is provided with the thermal insulation layer, the surface of PCF plate is fixedly installed with top second lantern ring, the surface of PCF plate at the top second lantern ring side is fixedly installed with second fixed seat, the top second lantern ring side is fixedly installed with the second fixed seat, the top second lantern ring side is fixedly installed with the second fixed seat, and the top second lantern ring side is fixedly installed with the second fixed seat. A second lifting ring is fixedly mounted at the top of the second fixing seat, fixing blocks are fixedly mounted at the tops of the PCF plate and the inner mold plate, a lead screw is movably mounted between the fixing blocks, a bottom second lantern ring is fixedly mounted on the surface of the PCF plate a