1979 to 1986, served as secretary, section chief and deputy director in Linqu County Committee Office;

1987 to 1990 as Party Secretary of Qixian Township;

1March 1990 to1March 1994, served as member of the Standing Committee of Linqu County Committee, Minister of Propaganda, Party Secretary of Party School, Standing Committee of County Committee and Director of Office;

1995-2000 Served as the Standing Committee Member and Vice Mayor of Anqiu Municipal Committee;

200 1 Up to now, he has served as deputy secretary of Hanting District Committee.

During this period, he studied in Shandong Radio and TV University's economic management major (junior college) from 1983 to 1986, studied in Central Party School's economic management major (undergraduate course) from 1992 to 1994, and studied in Shandong University's civil and commercial law graduate class from 2000 to 2002, and obtained a master's degree.