The invention discloses a blue composite transmutation glaze material and a method for preparing transmutation glaze ceramic by adopting the glaze material. A ground coat is prepared from the following materials in percentage by weight: 18 to 38% of feldspar, 0 to 20% of frit, 5 to 14% of calcite, 10 to 12% of calcined kaolinite, 6 to 12% of raw kaolinite, 4 to 13% of quartz, 12 to 18% of wollastonite, 6 to 12% of talc, 3.5 to 6.5% of aluminum oxide, 6 to 12% of ferric oxide, and 0.5 to 3.5% of cobalt sesquioxide; a surface coat is prepared from the following materials in percentage by weight:10 to 30% of feldspar, 0 to 30% of frit, 3 to 20% of calcined zinc oxide, 5 to 12% of calcite, 0 to 10% of dolomite, 6 to 12% of raw kaolinite, 8 to 22% of quartz, 10 to 23% of calcined kaolinite, and 2 to 8% of titanium dioxide; a blank is prepared from the following materials in percentage by weight: 5 to 20% of albite, 10 to 30% of potassium feldspar, 5 to 25% of quartz, 40 to 60% of kaolin, 0to 10% of aluminum oxide, and 0 to 7% of a plasticizer; during preparation, the blank is subjected to ball milling, filter pressing and dehydration to obtain a mud cake, then a rough blank is obtained according to the shape of the ceramic, and finally the rough blank is subjected to firing, ground coat soaking and surface coat soaking to obtain a glaze blank.