Mobile phone film is also known as mobile phone beauty film and mobile phone protective film. It is a kind of cold laminating film that can be used to mount the surface of mobile phone body, screen and other tangible objects. Body protection film; the function from the initial simple anti-scratch protective film to the introduction of functional protective film series can be divided into: privacy film, mirror film, AR film, matte film, high-definition film, scratch-resistant protective film, 3D film, mobile phone Body scratch-resistant protective film, diamond film, tempered film, etc.