The invention discloses an ultra-low hardness and high damping rubber composite material. The composite material comprises, by weight, 100 parts of a rubber main body, 5 to 40 parts of a reinforcing agent, 10 to 50 parts of a plasticizer, 0.5 to 3 parts of a vulcanizing agent, 2 to 5 parts of a vulcanization accelerator, 3 to 17 parts of an active agent, 2 to 6 parts of an anti-aging agent and 5 to 50 parts of a high damping additive. The ultra-low hardness and high damping rubber composite material has good physical and mechanical properties, ultra-low hardness and high damping performances and can meet the technical requirements of EN15129-2009 and GB/T 20688 Rubber Support Part 2: Bridge Isolation Rubber Bearing and can be widely used in various fields such as LNG storage tanks, bridges, buildings, cultural relics shock insulation and nuclear power plant shock insulation.