1985 graduated from the history department of northwest normal university, and was admitted to Shaanxi normal university in the same year, studying under Mr. Huang Yongnian for a master's degree in historical philology. 1988 master's degree. 1995 was admitted to the Chinese Department of Nanjing University. He studied under two professors, Zhou Xunchu and Mo Lifeng, and studied for a doctoral degree in China ancient literature. 1999 graduated, doctor. And in 1997, she went to the National Nara Women's University in Japan to study for one year. He has served as an associate professor, professor and doctoral supervisor in the College of Literature of Northwest Normal University, director of the Institute of Ancient Books Arrangement, and is now a professor in the College of Literature of Northwest University. Mainly engaged in the collation and research of classical philology and historical philology. He is also the vice president of China Historical Literature Research Association, the editorial board of Historical Literature Research, the vice president of Hanyu Research Association, and the director of the National Sikuquanshu Research Association.