| 1995— | Academician, Chinese Academy of Sciences | |
| Researcher, Chinese Academy of Forestry Sciences, Natural Resources Information Institute | ||
| 1986—???? | Postdoctorate Student, University of New Brunswick Canada, New Brunswick | |
| 1985 | Graduate, Beijing Normal University, Mathematics Department Beijing Municipality (Received Doctorate) | |
| 1963 | Graduate, Beijing Forestry College Beijing Municipality |