The invention provides a VCI degradable antirust film. The VCI degradable antirust film is composed of an outer layer and an inner layer, wherein the outer layer is prepared from the following raw materials of, by weight, 100-150 parts of polyvinyl alcohol, 50-90 parts of starch, 20-40 parts of photosensitizer and 20-50 parts of biodegradable agents; and the inner layer is a mixed layer of volatile corrosion inhibitors and is prepared from the following raw materials of, by weight, 100-120 parts of PP resin, 10-30 parts of ammonium chromate, 15-25 parts of benzoic acid monoethanolamine, 20-40parts of o-nitrophenol dicyclohexylamine, 10-20 parts of cyclohexylamine, 30-50 parts of calcium carbonate, 10-20 parts of talcum powder, 15-25 parts of plasticizers, 5-15 parts of sodium benzoate, 2-6 parts of dextrins, 3-9 parts of benzotriazole, 3-9 parts of sodium molybdate, 3-8 parts of hydroxyethyl cellulose, 4-10 parts of zinc stearate and 4-10 parts of polyethylene waxes. The VCI degradable antirust film achieves an ideal degradation effect, breaks through the limitation of rust prevention at the same time, and has wide application, a simple preparation method and simple operation.