The　Fe-B-Al　alloy　containing　0　to　10.0　wt.-%　Al　was　melted　in　a　vacuum　induction　furnace.　Effects　of　the　aluminum　addition　on　the　microstructure　and　properties　of　Fe-B-Al　alloys　were　studied　by　means　of　optical　microscopy　(OM),　scanning　electron　microscopy　(SEM),　X-ray　diffraction　(XRD),　energy　dispersive　spectroscopy　(EDS),　hardness　testing　and　MMG-500　type　pin-on-disk　high　temperature　vacuum　wear　testing.　The　results　showed　that　the　as-casted　microstructure　of　the　aluminum-free　Fe-B　alloy　consisted　of　alpha-Fe,　Fe-2(B,C),　and　Fe-23(B,C)(6)　type　borocarbides.　However,　the　as-casted　microstructure　of　the　Fe-B-Al　alloy　consists　of　a　Fe3Al　type　intermetallic　compound　when　the　aluminum　content　is　more　than　6.0　wt.-%.　Compared　with　the　aluminum-free　Fe-B　alloy,　parts　of　the　borocarbide　networks　are　broken,　and　the　fracture　tendency　became　more　obvious　with　the　increase　of　the　aluminum　content.　Boron　is　mainly　distributed　over　the　borocarbide.　Aluminum　is　mainly　distributed　over　the　matrix　and　Fe3Al　type　intermetallic　compound.　Compared　with　the　aluminum-free　Fe-B　alloy,　the　addition　of　a　small　amount　of　aluminum　reduces　slightly　the　hardness.　The　hardness　gradually　increased　with　the　further　increasing　of　the　aluminum　content.　The　hardness　reached　48.1　HRC　when　aluminum　content　was　10.0　wt.-%.　The　high　temperature　wear　resistance　of　Fe-B-Al　alloy　gradually　increased　with　the　increase　of　the　aluminum　content.　When　the　aluminum　content　reached　10.0　wt.-%,　the　high　temperature　wear　resistance　of　the　alloy　was　the　best.