The　reduction　of　vibration　in　submarine　pipeline　systems　at　high　temperatures　has　always　been　a　difficult　problem.,　is　paper　aims　to　reduce　the　vibration　of　pipeline　systems　by　using　coated　metal　rubber.　A　theoretical　model　of　the　cladding　damping　structure,　formed　on　the　basis　of　the　bilinear　hysteresis　model,　is　established.　The　mechanical　model　of　the　single　degree　of　freedom　hysteretic　system　is　linearly　equivalent　to　using　the　linearization　method.　The　theoretical　analysis　indicates　that　the　regularity　of　the　stiffness　of　metal　rubber　decreases,　and　the　damping　increases,　with　the　increase　of　the　excitation　amplitude.　Experimental　verification　confirmed　this　analysis　after　an　experimental　system　for　pipelines　coated　by　metal　rubber　was　developed.　A　method　for　preparing　the　thin　sheet　of　metal　rubber,　which　is　the　damping　layer,　was　introduced.　At　the　same　time,　the　force　transfer　rate　and　the　structural　loss　factor　were　proposed　to　characterize　the　damping　performance　of　the　cladding　damping　structure.　The　vibration　absorption　characteristics　of　the　cladding　damping　structure,　along　with　its　forming　density,　number　of　coating　layers,　and　excitation　magnitude,　are　investigated　by　means　of　the　experimental　method.　The　results　indicate　that　the　damping　performance　of　metal　rubber　decreases　with　the　increase　of　forming　density,　and　the　damping　performance　of　metal　rubber　increases　with　the　increase　of　the　number　of　cladding　layers　and　the　magnitude　of　excited　vibration.