Qi is jade. -Jin Xun Xu's Biography of Mu Tianzi will collect jade. -The Western Zhou Dynasty, Zhou Gongdan's "Zhou Li Yang Shi". Note: "The knot is also. The seam of the skin. Each knot is decorated with five jade picks and twelve jade ornaments. Call it. " (2) Another example is Qikuai (beautiful jade. Metaphor is precious); Qi Cong (Yu Pei. Also refers to Yu Pei's thumping sound, which is a metaphor for beautiful words); Qihua (the flower of Yushu in fairyland; Flowers as clean as jade); Qi Hua Yao Cao (flowers and plants in fairyland, beautiful as jade)