1968.12 ~1970.04 Army farm exercise in Fenghuojiao, Taishan County;
1970.04~ 1974.09 Jinji Middle School and Longsheng Middle School in Kaiping County teach high school chemistry, biology and English.
1974.09~ 1978.09 Librarian of Foreign Languages Department Reference Room of Sun Yat-sen University;
1978.10 ~1981.10, Department of Biology, Sun Yat-sen University, studying for Master of Science;
198 1. 12~ the institute of environmental science of sun yat-sen university is engaged in environmental biology research and postgraduate education.