Building curtain wall unit plate and construction method thereof

The invention discloses a building curtain wall unit plate and a construction method thereof. The building curtain wall unit plate comprises a framework supporting layer, a noise reduction layer, a temperature adjusting structure and a protective layer which are sequentially connected, wherein the framework supporting layer is an aluminum alloy structure framework; the noise reduction layer comprises a refractory layer and a double-layer vacuum glass panel which are connected through sealant from inside to outside; the temperature adjusting structure comprises two groups of lifting frames anda plurality of groups of linked foldable louver blades; each group of lifting frames comprises two lifting rods which are oppositely distributed in an axisymmetric mode and are provided with comb-tooth shaped bulged shafts, the bottom end of one lifting rod can be spliced to the top end of the other lifting rod; ends, in the length direction, of the louver blades are rotatably connected to one group of lifting rods, and t