Turtle astrology and astrology are both commonly used divination methods in ancient China.

Gui Zhan was still very popular during the Spring and Autumn Period and the Warring States Period. At that time, there were people in charge of it in the imperial court, called Taibu, occupying turtles and occupying people, and so on. The tortoise shell used for divination is called "guarding the tortoise" because the son of heaven ordered it to defend the country.

It shows the position of this divination in national affairs. For the ritual system of turtle occupation and examples of turtle occupation, you can read Zhou Li, Zuo Zhuan and other books.

Predictive constellation

Astrology predicts the good or bad luck and development trend of things by observing the changes of astronomical phenomena and the positions of constant stars. Astrology originated very early. According to the records, Feng holds "Eight Stars and Twenty Stars", and distinguishes his narrative from the position of tomorrow's Tao.

Predictive constellation

Our country has always focused on the production of agriculture and animal husbandry, so we attach great importance to the observation and performance of astronomical phenomena. Astrology appeared as early as the Shang Dynasty, but it really became popular and became a mature theoretical numerology in the Warring States Period.