The present invention relates to an inlay method for a jade product. The inlay method for a jade product includes: a jade product processing step of processing jade in a predetermined size and in a predetermined shape to be a product; an intaglio pattern processing step of engraving a pattern to be expressed on the surface of the jade product formed by the jade product processing step; a metal pattern forming step of forming a metal line to have a shape corresponding to the intaglio pattern formed on the surface of the jade product by the intaglio pattern processing step; and a surface treatment processing step of polishing the surface of the jade product and the surface of the metal line to be smooth after the metal line of a metal pattern manufactured by the metal pattern forming step is connected to the intaglio pattern of the jade product. The intaglio pattern processing step includes a fixing groove processing step of forming a fixing groove of a structure which is wide or is deeply extended to the inner side than a groove of the intaglio pattern, on the bottom having the intaglio pattern. The metal pattern forming step includes a fixing unit forming step of forming a fixing unit protruding from the metal pattern to the outer side to be connected by corresponding to the fixing groove. Therefore, the inlay method for a jade product can largely improve a fixing force so that the metal pattern is not easily separated from the intaglio pattern even if the metal pattern directly receives friction pressure or outer impact.
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