The invention relates to a blue-and-white bone jewelry delicate porcelain, which is a material belonging to chemical industry and capable of being directly applied to bone porcelain decoration. The preparation process of the blue-and-white bone jewelry delicate porcelain comprises the procedures of raw material processing, blank compacting, band model drying, demouding, drying, blank grinding, water supplement, inspection of a fine blank, placing in a low-temperature kiln, biscuiting at a low temperature, applique, sand blasting, glazing, glaze washing, placing in a high-temperature kiln, biscuiting at a high temperature, examination, polishing, glaze spraying, placing in a glost kiln, glost firing, kiln opening, inspection, applique, decoration firing, sole polishing, inspection, and placing in a finished product storage, and moreover, related conditions of temperature and time range in the steps of placing in the low-temperature biscuiting kiln, biscuiting at a low temperature and the like are required to be controlled. The invention has the advantages that the jewelry delicate porcelain is prepared by a special prescription and a special process method in bone porcelain, and a material similar to jewelry is embedded in the bone porcelain. Compared with other jewelry materials, the jewelry delicate porcelain has higher rich and honorable, decent and graceful features.