1997, bachelor in School of Mathematics, Jilin Univerisity. 1999, master in Institute of Mathematics, Jilin Univreisity 2002, PhD in Chen Institute of Mathematics, Nankai Univerisity
2003.02-2003.07 Changhua Normal University, Taiwan 2005.05-2005.08 Institute of Mathematics, Academia Sinica, Taiwan 2006.11-2007.03 University of Michigan 2007.03-2007.05 Georgia institute of technology 2009.02-2009.05 National Tsing Hua University
Functional analysis, mahematical physics and Hamiltonian system.