The installation method of thermal insulation film is usually similar, that is, after removing the protective layer, spray the installation liquid on the clean glass surface and the surface of the installation adhesive layer of the film; Lay the film flat on the glass, cut off the excess corners, and use the installation tool to remove excess water. Thermal insulation film can be called "amphibious" product in the construction industry, which can be used for both old building renovation and new building renovation. Although it is only an inconspicuous film, it can filter 80% infrared rays and more than 98% ultraviolet rays by heating to prevent glass from breaking. Directly sticking film on ordinary transparent glass can become a kind of safe heat insulation glass, which has both heat insulation and explosion-proof functions.