The book traces back to Tang and Yu, and ends with Han, Tang and Song. It is edited by Tang Yao, Yu Shun, Xia Yu, Shang Miao, Zhou Wenwu, Xuan Wang, Han Gao, Han Wen, Han Wu, Han Zhao, Han Xuan, Han Cheng, Han Guangwu, Han Ming, Han Zhaolie, Tang Taizong, Tang Xuanzong, Tang Suzong, Tang Xuanzong, Tang Xianzong, Song Tai There are more than 100 deeds of emperors such as Ancestor, Song Taizong, Song Renzong, Song Shenzong, Song Zhezong, etc., Including 117 items including appointing virtuous people to govern, admonishing hard-working people, scolding sycophants, sending back alchemists, not receiving contributions, burning incense to read, respecting mother religion, not liking beads, observing wheat in Houyuan, and studying refugees. There is some information about the palace that can be used as a reference for researchers.
