Automatic　identification　and　analysis　methods　of　cerebral　tumors　are　introduced.　The　mathematical　model　of　brain　MRI　is　built　by　support　vector　machines,　thereby　achieving　automated　identification　of　cerebral　tumors.　Then,　3D　surface　models　of　cerebral　tumors　can　be　obtained　through　image　reconstruction　and　associated　3D　physical　parameters　can　be　extracted　based　on　the　morphologic　analysis.　Experimental　results　show　that　the　method　can　effectively　identify　3D　cerebral　tumors　and　thus　provides　reliable　clinical　evidence　and　objective　evaluation　for　the　radiofrequency　thermocoagulation　operation　of　cerebral　tumors.