God-given image in China's legend. Related records were first found in Shangshu Gu Ming. There is a saying that "the river paints, Luo writes and the sage writes", but the contents of the river map and Luo's book cannot be studied in detail. It is said in the Han Dynasty that when Fuxi came from the Yellow River, there were dragons and horses carrying river maps, which Fuxi used to draw gossip. When Yu Xia was born in Luoshui, there were turtles carrying Luoshu, which made Yu Xia a fan of Nine Domains. Chen Tuan, a Taoist priest in the early Song Dynasty, put forward the Dragon Map, that is, the River Map. Later, Liu Mu developed into two schemata: River Map and Luo Shu.
Word spread everywhere, and saints published books, but they also said heaven, earth, two days, three places, four days, five places, six days, seven days, eight days, nine places, ten days, five places, five places, three places, thirty places, fifty places, five places, five places, five places, five places, five places, five places, five places.