Spring and Autumn Annals is actually based on the lineage of the monarch Lu, but it covers all the vassal states. It is an accurate original record of time, place and people, and has historical value.
The book is about 1. 70,000 words, mainly recording the political activities of the ruling classes of the vassal States in the Spring and Autumn Period, including conquest, alliance and recruitment among the vassal States; It also recorded some natural phenomena, such as solar eclipse, lunar eclipse, earthquake, landslide, variable star, flood, insect disaster and so on. In terms of economy and culture, some sacrifices, weddings and funerals, towers, palaces, hunting, clay yards and so on were recorded.