The　effect　of　boron　on　the　microstructures,　mechanical　properties　and　abrasive　wear　resistance　of　white　cast　iron　has　been　summarized.　The　microstructure　and　properties　of　B-bearing　white　cast　iron,　B-bearing　high　chromium　cast　iron　and　B-bearing　low　alloy　white　cast　iron　have　been　introduced　in　detail.　The　reasons　that　boron　can　improve　the　mechanical　properties　and　abrasive　wear　resistance　of　white　cast　iron　have　been　analyzed.　At　last,　many　problems　that　should　pay　attention　to　have　been　put　forward　in　order　to　enlarge　the　application　of　B-bearing　white　cast　irons.