The invention discloses a calcium carbonate enhanced silicone rubber composite material and preparation method. The calcium carbonate enhanced silicone rubber composite material comprises the following raw materials in parts by weight: 100 parts of alpha, omega-dihydroxy polydimethylsiloxane, 10-30 parts of methyl vinyl silicone rubber, 30-60 parts of modified calcium carbonate, 5-10 parts of aramid fiber, 5-15 parts of white carbon black, 4-8 parts of cross-linking agent, 1-3 parts of stabilizer, 2-4 parts of coupling reagent, 0.1-1 part of catalyst, 3-6 parts of processing agent and 0.5-1.5parts of antioxidant. According to the invention, the silicone rubber composite material prepared by adopting a unique raw material formula and the coordination of all the components has the advantages of high strength, high toughness, high impact resistance, high and low temperature resistance, high stability, ageing resistance, fire resistance, and the like, the processing process is simple, thecost is lower and the market prospect is wide.