[A.D.11 190] was born in Siming Yin. Born in the first year of Xuanhe, Song Huizong, he died in the first year of Guangzong Shaoxi at the age of 72. Young people like reading, don't learn subject names, and are diligent in learning. There are eight volumes of urn review, and Four Treasures of the Study's catalogue is mainly textual research, with many inventions, especially in phonology.
Born in the Northern Song Dynasty, died in the Southern Song Dynasty.