Interestingly, Guo Pu also described the precious animal giant panda in detail for the first time. When he explained the article "tapir and Bai Bao", he said: "Like a bear, with a small head and feet. Black and white barge, can lick copper, iron and bamboo. Stiffness of joints There is little marrow in the middle, and the skin is wet. " Although the "iron eater" has been mentioned in Zuo Si's Wu Du Fu, it was Guo Pu who first gave a rough description of the giant panda.