Wu Dazhi (1835- 1902) was a great scholar, calligrapher, epigrapher and philologist in the late Qing Dynasty. His name is Da Chun. In order to avoid the Qing Dynasty in Mu Zong, he changed his name and his handwriting was clear. His name is Heng Xuan, nicknamed Baiyun Mountain Chai, Lu Zhai, Zheng Kan and Baiyun Disease. People from Wuxian County, Jiangsu Province. Editor-in-chief, Shaanxi, Gansu. Taoist priests, officials of Taibu Temple, officials of Taichang Temple, political envoys of generals, officials of Shi Yu, the capital of Zuodu, and governors of Guangdong and Guangxi in Henan and Hebei. He participated in the left westward camp and helped Ming 'an to train in Jilin, so he participated in the negotiations on the Sino-Russian border and the Sino-Japanese peace treaty. During the Sino-French War, he would deal with Beiyang affairs. During the Sino-Japanese War, I was invited to participate in the war.
He devoted his life to the study of ancient artifacts and was a famous epigraphy archaeologist in Qing Dynasty. He is the author of Lu Zhai Poetry Collection, Lu Zhai Ancient Books Collection, Ancient Books Department, Henglujin, Weights and Measures, etc. Biography of Draft of Qing History, 450 volumes. He is good at the identification and textual research of ancient Chinese characters, as well as seal cutting and calligraphy and painting. His seal script is very distinctive, combining the small seal script with the ancient seal script, and his skill is very deep, that is, ordinary calligraphers often use neat and exquisite seal characters for it, and the rules are neat.