▎ 摘　　要

NOVELTY - The utility model claims a high-efficiency energy-saving building curtain wall, comprising curtain wall main body, the curtain wall body comprises a base layer, and the outer side of the base layer is provided with a first protective layer, at the same time, the first protective layer comprises a polytetrafluoroethylene resin layer and a polyvinyl chloride resin layer, the inner side of the base layer is provided with a second protective layer. The utility model is provided with a first protective layer comprising a polytetrafluoroethylene resin layer and a polyvinyl chloride resin layer, wherein the polyvinyl chloride resin layer can play a role of fireproof protection; the polytetrafluoroethylene resin layer can improve the waterproof property of the whole curtain wall set the second protective layer comprising a polyurethane foam layer and a graphene fibre layer, wherein the graphene fibre layer can effectively improve the antibacterial curtain wall of the whole, polyurethane foam layer can improve the heat preservation curtain wall of the whole, by the matching of the above structure, effectively improves the heat preservation of the curtain wall fireproof performance, so as to prolong the service life.