In　this　paper,　a　new　three-dimensional　(3D)　isolation　system　for　the　building　is　proposed.　The　system　is　composed　of　lead　rubber　bearings　and　disk　spring　isolators,　which　is　called　3D　isolation　system.　In　order　to　verify　the　3D　performance　of　this　system,　3D　shaking　table　tests　were　conducted.　The　test　specimen　is　1/2-scale　three-story　steel　structure.　The　experimental　results　show　that　the　3D　isolation　system　can　isolate　both　the　horizontal　earthquakes　and　vertical　earthquakes.　©　2007　EUCENTRE.　All　rights　reserved.