New　2D　and　3D　hierachical　networks,　super　carbon　nanotubes　(SNTs),　have　been　constructed　by　using　single　carbon　nanotubes　(SWNTs)　as　building　blocks.　Then,　an　SNT/polymer　composite　can　be　built　by　insert　a　polymer　into　the　SNT　network.　In　this　paper,　a　3-D　multi-scale　finite　element　model　consisting　of　a　SNT,　inter-phase　and　surrounding　polymer　is　built.　C-C　bonds　in　SNT　are　considered　as　a　3D　elastic　beam　and　the　inter-phase　region　is　treated　using　van　der　Waals　interactions.　The　surrounding　matrix　are　regarded　as　a　continuum　medium.　Deformation　process　and　tensile　stress-strain　relations　of　SNT　and　SNT　composite　under　small　strain　are　obtained.