In　this　article,　the　wear　resistance　of　Fe-Cr-B　alloy　containing　different　boron　concentration　after　heat　treatment　at　different　temperature　was　studied.　ML-10　type　abrasive-wear　test　machine　was　used　for　processing　Fe-Cr-B　specimens,　and　its　wear　resistance　was　measured　based　on　weight　loss.　Comprehensive　analysis　was　carried　out　combined　with　Rockwell　hardness,　impact　toughness,　microstructure　in　section　and　other　factors.　The　results　showed　that　wear　resistance　of　Fe-Cr-B　alloy　changed　in　the　similar　way　with　its　variation　of　hardness,　but　different　from　its　toughness　totally.　Under　experimental　conditions,　the　specimen　whose　boron　content　is　2.0%　and　quenching　temperature　is　1000　degrees　C　showed　minimum　weight　loss　of　3.4　mg,　and　it　has　excellent　wear　resistance.