After Chu race entered north Chinese, they merged with north barbarians. After the merger, they developed new culture. What are the different thought about the world creation in Chu and central Chinese people's eyes is a big query. We try to figure out the difference by analyzing ”Lao Tzu”, ”Chuang Tzu”, ”Shan Hai Jiang”, ”The Songs of the South”, digging Chu bamboo and silk documents. Finally we know Chu people thought the world is composed of ”Qi”. They have three level worlds: haven, earth and underworld.