Gilding is a traditional metal decoration process produced since the pre-Qin period, which is still popular among the people, also known as fire gold plating or mercury gold plating. It was very popular after the Eastern Zhou Dynasty and the Han Dynasty, and it was one of the most commendable bronze surface decoration techniques at that time, successively called gold painting, golden painting, gold painting, gold plating, and gilding in the Song Dynasty. Gilding technology is a traditional technology in our country. The technology of gilding on bronze was invented in the warring States period and has a history of more than two thousand years. "