Curtain wall fireproof structure node

The utility model discloses a curtain wall fireproof structure node, relates to the technical field of building curtain walls, solves the problems that fireproof rock wool lacks a limiting mechanism and can be misplaced, shifted and even disengaged from gaps after long-term use, and comprises a concrete floor, a glass curtain wall and rock wool strips, a groove is formed in the side, close to the glass curtain wall, of the concrete floor, a supporting rod is embedded in the groove, the end, away from the concrete floor, of the supporting rod abuts against the surface of the glass curtain wall, a cover plate is arranged on the side, away from the supporting rod, of the rock wool strip, and the rock wool strip abuts between the cover plate and the supporting rod. The side, close to the rock wool strip, of the cover plate is fixedly connected with a positioning rod matched with the positioning groove. The rock wool strips are installed and limited through the arrangement of the supporting rods, the cover plate,