1985 ~ 199 1 teaching assistant, Department of Chemistry, Sun Yat-sen University.

199 1 ~ 1995 Lecturer, Chemistry Department, Sun Yat-sen University.

199 1 ~ 1992 Visiting scholar, Department of Polymer Science, Kyoto University, Japan.

1995 ~ 200 1 Associate Professor, Department of Chemistry, Sun Yat-sen University.

1994 ~ 1996 Kyoto university, the state education commission and the Japan society for the promotion of learning jointly implemented the doctoral program.

200 1 ~ Professor, School of Chemistry and Chemical Engineering, Sun Yat-sen University.