There is no doubt that Kojiki myths and the Manyoshu poems legitimize the Yamato rulers. Kojiki was written by O no Yasumaro at 712, and the myths is request by Empress Gemmei. Kojiki is a Japanese earliest literary work, including the ancient myths, legend, and history. In the book one, it tells the story of the universe, and how Izanagi and Izanami produce Japanese land, ethnic and Amaterasu. The Mythology in the Kojiki are very lively, but the central character of the the book is highlight Amaterasu and his descendants. O no Yasumaro use Amaterasu's story illustrate the emperor's authority from god, and emperor have the power to control the country. Amaterasu cultivated the land, teach sericulture and weaving skills in the Plain of high