The most widespread application of reflective film is the transportation facilities above. This is mainly due to traffic accidents occur frequently, the safety of the trip is each of us must be concerned, and the reflective film during the day, with its bright colors have obvious warning role, at night or under the condition of insufficient light, its bright reflective effect also can effectively enhance the ability to identify the people see the goal, causing alarm, to avoid the accident and reduce casualties, It has obvious social benefits to reduce the economic loss and become the indispensable security guard of road traffic.