Network　virtualization　is　considered　as　the　trend　of　the　future　Internet　and　the　solution　to　the　growing　ossification　of　Internet　nowadays,　because　it　is　more　flexible　and　manageable　by　allowing　multiple　heterogeneous　virtual　networks　to　coexist　on　a　shared　infrastructure.　The　survivability　of　virtual　network　is　meaningful.　In　this　paper,　we　propose　a　solution　of　survivable　virtual　network　embedding　during　substrate　network＇s　runtime　on　the　assumption　that　the　elements　of　substrate　network　are　no　longer　with　infinite　life.　Thus　we　put　forward　a　virtual　network　embedding　algorithm　based　multi-embedding　policy　and　a　hybrid　link　self-healing　policy　based　on　combination　of　pre-allocation　backup　and　reconfiguration.　We　also　propose　a　service　quality　function　to　measure　the　quality　of　service　of　SN.　The　simulation　experiments　show　that　our　proposed　policy　and　algorithms　make　a　better　business　profit　and　improve　the　service　quality　of　the　infrastructure.