Blue-burning process is a jewelry process that burns blue on the surface of silverware. It is one of the traditional jewelry crafts in China. Because this "blue" can only be burned on the surface of silverware, it is also called "burning silver blue". Blue-burning technology, also known as point blue technology, silver blue burning and silver enamel, is a handicraft with silver as the embryo and coated with enamel glaze, especially named after the best combination of blue glaze and silver.