Composite fireproof outer wall with profiled metal plate lined with autoclaved aerated concrete plate

The utility model discloses a composite fireproof outer wall with a profiled metal plate lined with an autoclaved aerated concrete plate, which comprises an outer wall autoclaved aerated concrete plate arranged on the outer side of a main structure steel column. The two sides of the main structure steel column are connected with the outer wall autoclaved aerated concrete plate through a pair of first angle steel connecting pieces with inward openings, a pair of second angle steel connecting pieces with outward openings and a pair of S-shaped steel plate connecting pieces in sequence, and a profiled metal lining plate is laid on the inner side of the outer wall autoclaved aerated concrete plate. A glass wool thermal insulation layer and a profiled metal external wall panel are sequentially laid on the outer side; the profiled metal outer wall panel and the profiled metal inner lining panel are fixed to the transverse C-shaped wall purlin through self-tapping screws. The utility model has the beneficial effects