Analysis:
During the Han and Tang Dynasties, it was customary to call delicious things "eight treasures". Regarding the Song Dynasty, Bazhen refers to eight precious cooking materials. There are many series of "Eight Treasures" in Qing Dynasty, which mainly refer to banquets of eight kinds of precious raw materials. For example, the "four treasures" of the "Manchu-Han banquet" refers to the banquet of four groups of eight treasures. Four treasures or eight treasures, namely, eight treasures of mountain, eight treasures of sea, eight treasures of poultry and eight treasures of grass, each refer to 32 precious raw materials, specifically:
Eight treasures of the mountain: hump, bear's paw, monkey brain, scarlet lips, elephant, leopard fetus, rhinoceros tail and deer tendon.
Eight treasures of the sea: bird's nest, shark's fin, Sichuan aconite, fish belly, fish bone, abalone, seal and pike (giant salamander). Eight treasures among birds: red swallow, flying dragon, quail, swan, partridge, colorful finch, turtledove and red-headed eagle.
Herb eight treasures: Hericium erinaceus, Tremella, Dictyophora dictyophora, decoction, donkey's nest, Morchella esculenta, flower mushroom, day lily and Yunxiangxin.