"Bear Biography": "It is the driving of the emerald phoenix and the ride of six scenic spots." Yan Shigu's note: "The ride of the emerald phoenix, the ride of the son of heaven, is decorated with jade feathers in the shape of a phoenix." Later, it was called "Feng Jia" to ride in the car of the emperor or empresses. The poem "Nine Days Banquet and Fun Garden" written by Liang in the Southern Dynasties says: "Luan and Six Dragons, Phoenix drives thousands of miles away." Tang Duxi Army's Nine Days, Wind and Happiness Climb to the Top of Lin Weiting: "A trip to the Garden, a bird's eye view of Feng Jia." The first scene of the Beijing Opera "Drunkenness of the Imperial concubine": "Look at the cigarettes, the empress is here."