Li,Jun, male, was born in Feixiang of Hebei province in June, 1979. From September 1999 to June 2003, he enrolled in School of History and Culture of Hebei Normal University. From September 2003 to June 2005, he attended the Institute of Dunhuang Studies of Lanzhou University, studying for a master’s degree in history. In September 2005, he began to work on the doctorate in advance and got the doctor’s degree in June 2008. Since then, he has worked in Northwest University. Now he is an associate professor of college of history of Northwest University, also a post-doctoral research fellow, majoring in research and teaching work of the history of Sui , Tang and Five Dynasties and Dunhuang studies.