Fireproof plugging structure at hole of stone curtain wall

The utility model discloses a fireproof plugging structure at a hole of a stone curtain wall, which comprises a main body structure, an embedded bolt, an expansion screw, fireproof rock wool, a transverse support, a curtain wall main keel, galvanized angle steel, a hole, a rivet, galvanized square steel, a stainless steel hanging piece, granite and a fireproof steel plate, the stainless steel hanging piece is installed on the galvanized angle steel through a bolt; the granite is hung on the stainless steel hanging piece; the frame of the hole is connected with the angle steel through a rivet; the angle steel is connected to the galvanized square steel through a bolt; one side of the galvanized square steel is welded to the galvanized angle steel, the galvanized square steel is fixedly connected with the fireproof steel plate, the fireproof steel plate is arranged outside the fireproof rock wool, and the fireproof steel plate is installed on the main body structure through expansion screws; generally, the util