The product is mainly used for all kinds of reflective marks and signs, automobile license plate, safety features, etc. During the day, with its bright colour, it has an obvious warning role, In the night or under the condition of insufficient light, its bright reflective effect can strengthen people's recognition ability effectively, easily-seeing targets, raise the alert and then avoid accidents and reduce casualties, finally reduce economic loss. So it has been seen as a road traffic indispensable security guards, which has obvious social benefits. Our country is still increasing the traffic input, but areas of wide application, like forest area, mountains area, tourist attraction, quay, sailing and coastline and so on, still not involve in the statistics. The countries all over the world, including our country, all establish many related policies, and it is forced to use. The application of high strength film and a series of reflective materials in highway, rail shipping and many other fields has become an inevitable trend