As　one　of　the　four　most　famous　carving　stones　in　China,　Shoushan　stone　is　mainly　produced　in　the　Fuzhou　volcanic　basin　and　formed　by　alteration　between　acidic　volcanic　rocks　and　hydrothermal　fluids.　The　characteristics　of　ore-forming　fluid　are　the　key　to　understanding　the　mineralization　and　exploration　model.　The　hydrothermal　quartz　from　Shoushan　stone　deposit　was　sampled　for　the　experiment　of　fluid　inclusions　and　H-O　isotopes.　The　thermodynamic　tool　is　also　adopted　to　quantify　the　conditions　for　the　formation　of　Shoushan　stone　containing　kaolinite　group　minerals.　All　fluid　inclusions　in　quartz　consist　of　volatile-liquid　phases.　The　homogenization　temperatures　are　197　°　C　and　211　°　C　for　samples　from　Liuping　sample,　and　245　°　C　for　that　from　Gaoshan.　The　δ18OV-SMOW　values　of　quartz　are　8.3‰　and　8.4‰,　and　the　δDV-SMOW　values　of　quartz　are　-61‰　and　-83‰.　Combined　with　the　H-O　isotope　results　of　kaolinite　from　previous　research,　the　H-O　isotope　of　fluid　is　calculated　theoretically　under　different　temperatures　(150　℃,　200　℃　and　250　℃),　which　demonstrates　that　the　ore-forming　fluid　is　a　mixture　of　magmatic　and　meteoric　water.　By　the　addition　of　meteoric　water,　the　temperature,　salinity　and　pH　of　magmatic-hydrothermal　fluids,　hydrothermal　fluids　are　made　more　suitable　for　the　formation　of　clay　minerals.　Then,　the　long-term　water-rock　reaction　leads　to　the　sufficient　alternation　of　acidic　volcanic　rocks,　forming　a　variety　of　Shoushan　stones.　This　study　improves　the　mineralization　model　of　Shoushan　stone　and　provides　insights　into　the　exploration　of　metallic　and　non-metallic　deposits　caused　by　epithermal　hydrothermal　alteration.　©　2025　China　University　of　Geosciences.　All　rights　reserved.