Astronomical Dividing Fields is a theoretical system derived from traditional Chinese astrology to recognize the correspondence between heaven and earth. It is not only the theoretical basis of traditional astrology, but also an important content of ancient geography. It also reflects the ancient Chinese view of the universe and world, and has important research value. From the perspective of history, this book adopts interdisciplinary research methods to systematically study the historical evolution, theoretical models and political and cultural implications of ancient Chinese astronomy divisions for the first time. It comprehensively sorts out the origins, interpretations and theoretical types of the astronomical division theory, focusing on the formation, finalization and evolution of the twenty-eighth and twelve divisional systems that have the greatest influence, as well as the important role played in ancient dynasty politics and the reflection of the concept of the world, and then through the astronomical perspective to compare the Eastern and Western worldviews, reflecting a global perspective.