There are many kinds of joinery in the Kingdom of Jin Mu, including masks, containers, brooches, necklaces, earrings and various sacrificial vessels. The decoration of this kind of products has two outstanding characteristics: first, it prefers to use the pattern of beads; Another feature is the extensive use of gemstone inlaying and other techniques. The application of these techniques not only effectively enriches the level of material contrast and decoration, but also further strengthens the luxurious color and symbolic characteristics of the works.