Enamel, the painting enamel technique transplanted to the porcelain tire on a kind of glaze color decorative techniques, the official name for the “porcelain painting enamel”, later known as “Gu Yue Xuan”, foreign called “Rose color enamel created in the late Kangxi period of the Qing dynasty, is the introduction of foreign enamel materials created and made, and at one stroke became a valuable palace imperial porcelain. The introduction of foreign enamel materials created and made, and at one fell swoop to become a valuable palace imperial porcelain.