The invention discloses a silver nanoparticle doped high-performance photopolymer thin film material, preparation and application and belongs to the field of thin film technologies. According to the preparation, acrylate monomers, a photoinitiator and a photosensitizer are mixed according to a mass ratio, heated and stirred to be uniform; silver nanoparticles are dispersed into an organic solvent,then the silver nanoparticle dispersion liquid is added into the obtained mixed liquid of the acrylate monomers, and the mixed liquid is stirred uniformly and placed in an airtight container for vacuumization under a light-avoiding condition to make the organic solvent volatilize; and film coating is performed, and a photochemical reaction is performed under 532nm coherent photocatalysis to generate a polymer grating thin film. The polymer thin film material is not prone to deliquescence, has good stability and can serve as a holographic recording material; the refractive index modulation anddiffraction efficiency of the material is improved; the shrinkage of the material is lowered; the material is insensitive to oxygen and water, so that the stability of the material is enhanced, and storage time of the material is prolonged; and the thickness of the material is lowered, so that optical loss of the material is reduced.