Sanyuan Zonglu

"Sanyuan Zonglu" is a work handed down from generation to generation by Liu Hongquan, a master of arithmetic in the Ming Dynasty. The book is divided into three parts: Zhai Yuan, Marriage Yuan, and Tomb Yuan. They respectively detail the good and bad fortunes of the Yangzhai, the marriage of men and women, and the taboos for burial in the Yinzhai. The content of this book is extensive and profound, integrating astronomy, geography, humanities and society. It is an essential auspicious book for ancient folk and has a high reference value for the study of Chinese folk culture and ancient arithmetic.