©,　2015,　Chinese　Mechanical　Engineering　Society　of　Heat　Treatment.　All　right　reserved.In　order　to　develop　a　high　performance　coating　for　continuous　casting　mould,　ZrO＜inf＞2＜/inf＞-MoSi＜inf＞2＜/inf＞/CoNiCrAlY　composite　coatings　were　prepared　on　CrZrCu　substrate　surface　by　supersonic　plasma　spraying.　Microstructure,　morphology　and　phase　composition　of　the　coating　were　characterized　by　SEM,　XRD　and　EDS,　respectively.　The　abrasive　resistance　of　the　ZrO＜inf＞2＜/inf＞-MoSi＜inf＞2＜/inf＞　coating　comparing　with　NiCo　electroplated　coating　was　conducted　by　using　friction　and　wear　testing　machine.　The　results　show　that　supersonic　plasma　spraying　can　form　dense　layered　structure　in　molten　or　semi-molten　state,　and　the　ZrO＜inf＞2＜/inf＞-MoSi＜inf＞2＜/inf＞　coating　is　mainly　composed　of　MoSi＜inf＞2＜/inf＞,　ZrO＜inf＞2＜/inf＞,　Mo＜inf＞5＜/inf＞Si＜inf＞3＜/inf＞　and　small　amounts　of　native　static　Mo.　Compared　with　NiCo　electroplated　coating,　the　abrasive　resistance　of　the　ZrO＜inf＞2＜/inf＞-MoSi＜inf＞2＜/inf＞　coating　is　increased　by　5　times.