Eight volumes, written by Chen Menglei of the Qing Dynasty. The book was written in the Jiashu Year of Kangxi (1694). Written by Chen Menglei (1650-1741) of the Qing Dynasty. Chen Menglei's courtesy name is Zezhen, and his later nickname is Songhe Laoren. A native of Min County, Fujian Province. Shunzhi Ji Chou became a Jinshi. From official to Hanlin, he edited and edited. In the 21st year of Kangxi's reign (1682), he was banished to Shangyang Fort in Shenyang. More than 18 years later, he was pardoned and returned to Beijing, where he was ordered to compile more than 3,000 volumes of "Collection of Ancient and Modern Books". Yongzheng ascended the throne, and then garrisoned outside the north, and died in the garrison. This compilation was made in the Jiaxu year of Kangxi when he first arrived in Shangyangbao. The argument is mainly based on Zhu Xi's "Original Meanings of the Book of Changes" and does not use his theory of hexagram changes. The reference books only involve Wang Bi's "Notes on the Book of Changes", Kong Yingda's "Zhengyi", Su Shi's "Book of Changes", Hu Guang's "Complete Collection of Book of Changes" and Lai Zhide's "Collected Notes on the Book of Changes", and does not use Lei's theory of intricacies. His exegesis of the "Book of Changes" is based on the interpretation of conditions and phenomena, and the meaning is quite concise and relevant to human affairs.