We ues words to communicate with each other, and some of us may think the origin of words. According to Chinese myths, the farmous is the Cangjie legend, who invented Chinese characters. Cangjie is said to be an emperor of prehistory, and sometimes an official historiographer of Huang-Di in mythical history. Cangjie invented written words by observing ”footprints of birds and beasts”, ”turtles' shells” and mourtains and rivers. The Cangjie legend includes two types of the origin of words: (1) Heaven gives words to human. (2) Culture hero invented words.