Let's take a look at it first: Because Zi Tong Zhi Jian is a chronicle, we can know what happened every year during the Three Kingdoms period and have a general understanding of the Three Kingdoms.

Mainly: the annals of the Three Kingdoms, but since Chen Shou is a native of Shu, there are inevitably political tendencies in some places.

Attachment: Later generations' records of the Three Kingdoms in the Book of the Later Han Dynasty, combined with the History of the Three Kingdoms.

Expansion: The meeting of the Three Kingdoms recorded the laws and regulations of the Three Kingdoms period, which can make it easier for you to understand the code of conduct and social values of the characters at that time.

Others include: Han, Jin, Spring and Autumn Annals, Huayang National Annals, Wei Lue, Kyushu Spring and Autumn Annals, Jinyang Autumn Annals, and Three Kingdoms Annals.