The invention discloses a fluoride elastic double-wall heat-shrinkable sleeve which comprises a sheath and an inner adhesive; the sheath is prepared from the following components in parts by weight: 60-98 parts of poly(vinylidene fluoride) plastics, 5-40 parts of a fluoro-rubber elastomer, 0.2-2.5 parts of an antioxidant, 2-6 parts of an auxiliary crosslinking agent, 1-6 parts of a plasticizer, 0.2-3 parts of a stabilizer and 1-9 parts of a color master; and the inner adhesive is prepared from the following components in parts by weight: 65-85 parts of the poly(vinylidene fluoride) plastics, 10-20 parts of the fluoro-rubber elastomer, 5-15 parts of a polyolefin adhesive, 2-8 parts of a filler, 0.5-2 parts of the antioxidant, 1-2 parts of the plasticizer, 0.2-3 parts of the stabilizer, 1-9parts of the color master and 3-10 parts of tackifying resin. The fluoride elastic double-wall heat-shrinkable sleeve provided by the invention can satisfy sealing, bending, the impact performance, insulation, piezoelectricity, machinery, ageing resistance, wear resistance, ultraviolet resistance and the like under the high-low temperature condition and also has the performances of wear resistance, mechanical damage resistance and the like.