The concept of "the sky is round and the place is round". This kind of thought embodies the thought of which school in ancient China ().

The idea that the sky is round and the earth is the Tao.

"Heaven and earth are chaotic like chickens, and Pangu was born in them" is the Taoist understanding of the universe and the universe. Before heaven and earth opened, the universe was like an egg. After opening, the clear air rises, the turbid air sinks, the sky is yang, the ground is yin, and the yin and yang are two instruments. The two organs have four phases, lunar, sun, shaoyin and shaoyang. Yin and Yang intersect to regenerate the five elements, and the five elements derive everything.

The school of Yin and Yang among the hundred schools is a branch of astrology based on Taoism. This branch mainly studies astrology, or astrology. The core idea of its founder, Zou Yan, is that "five virtues are often said", and the five elements rotate to calculate the rise and fall of dynasties, which is also the source of Feng Shui school.