1, Qin: mathematician of Southern Song Dynasty, from Anyue, with ancient characters. Guan Jian, Kang Fu, Yan Jiangsi Senguan, Zhi Qiongzhou and Si Nongcheng died after being demoted to Meizhou. Intelligence, general mathematics, astronomy, music and creativity. In the past seven years, Spring Tour has written Nine Chapters of Mathematics, which is quite original in "expanding and seeking skills" and "pros and cons" and occupies an important position in the history of Chinese mathematics.

2, Qin Guan: the word Shaoyou, also known as Taixu, is a famous poet in the Northern Song Dynasty and one of the four bachelor's degrees in Sumen. Su Dongpo accepted the beautiful words in Man Fang Ting and called him "Wei Yun Qin Xueshi". Qin Guan's works include Huaihai Ji and Huaihai Jushi Long and Short Sentences.

3. Qin: a great man and a famous dramatist in Yuan Dynasty. His plays include Dong Laotang, Zhao Li Ranfei and Xi Fa Dai Bin.