1987 graduated from the Department of Mathematics of Yunnan University with a bachelor's degree; 1995 graduated from southwest forestry college with a master's degree in forestry, and his research direction is forest resource management; 1998~200 1, Ph.D., Zhejiang University, majoring in agricultural remote sensing and information technology; From 200 1 10 to September 2003, he worked in the post-doctoral mobile station of geography of Nanjing Normal University, and his research direction was cartography and geographic information system. 1987.9-200 1.9, teacher of Southwest Forestry College, became a teacher of Nanjing Normal University in 2003, and served as deputy director of the Department of Geographic Information System in 2009.