Qian Daxin (1728-1804), a famous versatile scholar of the Qing Dynasty, is familiar with Chinese classics, history, various schools of thought, astronomy and geography, especially epigraphy. He is good at writing Official Script and composes a lot of works of different aspects.

He used to give lectures in Zhongshan, Loudong and Ziyang academies.

He had many creative ideas in the study of phonics and the critical interpretation of ancient texts. He studied the consonants of ancient Chinese syllables before everything else. Most of his theories can be found in A Collection of Qian Yan Tang and A Record of Studies in Shijia Study.

Besides, specialized in the revision of history books, he wrote the book Reading Notes of Twenty-two History Books. Once determined to revise the history of Yuan, he wrote two appendixes, namely, Yuan Dynasty History: Yi Wen Zhi and The Family Tree of Yuan Dynasty. In terms of epigraphy, he composed works such as Postscript to Qian Yan Tang Epigraphy.