Double-sided adhesive film of vehicle-mounted display screen and preparation method

The invention provides a double-sided adhesive film of a vehicle-mounted display screen and a preparation method. The double-sided adhesive film of the vehicle-mounted display screen comprises a largebearing film, a reverse sticking film, a small bearing film, double-sided adhesive tapes and a backing release film, wherein the large bearing film is provided with an adhesive surface; the reverse sticking film is a non-sticky film and is stuck to the sticky surface of the large bearing film; the small bearing film is a non-viscous release film, is an integrated film of a square frame structure,is arranged on the periphery of the reverse pasting film and is attached to the viscous surface of the large bearing film; the four double-sided adhesive tapes are respectively adhered to the four frames of the small bearing film; and the backing release film covers the surfaces of the double-sided adhesive tapes, the small bearing film and the reverse sticking film. The double-sided adhesive film has the advantages of si