Enamel originated from glass decorative metal. Ancient Egypt appeared early, followed by Greece. In the 6th century, European inlaid wire enamel, cut enamel, relief enamel, translucent enamel, and painting enamel came out one after another. In the 8th century, China began to develop enamel. By the end of the 14th century, the enamel technology became more and more mature. In the middle of the 15th century, the products of the Ming Dynasty Jingtai period were especially famous, so it was called cloisonne. In the early 19th century, Europe developed cast iron enamel, which laid the foundation for enamel to move from handicraft to daily necessities. However, due to the backward casting technology at that time, the application of cast iron enamel was restricted. In the 19th century, the development of various industries promoted the rise of steel plate enamel and opened a new era of modern enamel. From the end of the 19th century to the first half of the 20th century, the advent of various enamels with different properties, the popularization and application of steel plates and other metal materials, and the continuous updating of refractory materials, kilns, and enameling technologies accelerated the development of the enamel industry.