1September 1994-1June 1998 studied in the history department of the west campus of Hebei Normal University, 1998.7- 1999.8 and then taught in Weichang No.2 Middle School for one year.1September 1999 to June 2002. Graduated in 2002 and stayed in school. From September, 2004 to June, 2007, I studied for my doctorate in Song History Research Center of Hebei University. Now he is an assistant researcher (September 2005), mainly engaged in the study of legal history in Song Dynasty. The master's thesis is entitled "Research on Secret Religion and Legal Prohibition in Song Dynasty", and the doctoral thesis is entitled "Research on Judicial Function of State Officials in Song Dynasty". He is now a member of China Song History Research Association.