The invention discloses a damping material and a preparation method thereof. The damping material is prepared from the following components in parts by mass: 50-80 parts of chloroprene rubber, 45-55 parts of natural rubber, 3-5 parts of accelerant, 4-6 parts of inorganic filler, 9-12 parts of a vulcanizing agent, 20-35 parts of reinforcing filler, 3-5 parts of an anti-aging agent and 2-5 parts ofplasticizer. The damping material has a good damping effect, can be used for greatly prolonging the service life of an engine and preventing the engine from breaking, and meets market requirement; andthe preparation method is simple and convenient, and is convenient to popularize.