Increases building's outward appearance esthetic sense. the interface layer may have many kinds of colors to choose easy and the outer wall and the periphery environment coordination for the designer.   energy conservation. Is the film may decrease the solar radiation, prevents to be able the fountainhead outflow, saves air conditioning's electricity consumption, the interface layer to be able to have the cushioning effect to the sound sound wave vibration product, thus achieves the sound-insulated effect. the interface layer can be cut off *9% ultraviolet rays, delays the indoor furniture window blind's discoloration. compares with other glass, has vibration-proof, security, bulletproof, the explosion-proof performance. The security is high, because is the intermediate level cellophane is tenacious, and adhesion, after being attacked the breakage, is passed through not easily, the fragment cannot fall off, with the cornea closely agglutinates in together.