The　equilibrium-solidified　phase　diagrams　of　high　vanadium　wear-resistant　alloy　with　different　vanadium　concentration　have　been　calculated.　The　vertical　section　of　Fe-C,　Fe-V　pseudo-binary　phase　diagrams　and　the　transformation　diagrams　of　phases　have　been　drawn　by　the　Thermo-Calc　software.　The　effects　of　vanadium　on　the　phase　diagram　and　solidification　microstructure　have　been　investigated　by　optical　microscopy,　scanning　electron　microscopy,　EDS,　XRD　and　differential　scanning　calorimetry　(DSC).　The　results　show　that　the　parameter　of　eutectic　transformation　and　the　phase　regions　are　changed　significantly　with　the　increase　of　vanadium　concentration.　The　solidification　structure　includes　alpha-Fe,　MC-type,　M7C3-type　and　M3C-type　carbides.　Vanadium　element　is　mainly　distributed　over　MC-type　carbides.　The　MC-type　carbides　morphology　changes　from　strip　and　short　rod　to　spherical　and　lumpy　with　the　increase　of　vanadium　concentration.　The　DSC,　solidification　structure　and　XRD　results　are　agreed　with　the　ones　from　calculation.