1976 to 1979 worked and taught in the Party School of Jilin Provincial Party Committee.

1979 to 1980 studied philosophy in the theoretical class of the central party school.

From 65438 to 0980, he was transferred to the Philosophy Department of the Central Party School to teach.

1984 10 turn 1986 10, visiting scholar in the Department of Philosophy, University of Munich, Federal Republic of Germany.

199 1 year, received a doctorate, and was promoted to associate professor in the same year.

1995 promoted to professor.

1February 1998 to1February 1999 as a senior visiting scholar in the philosophy department of Free University of Berlin, Federal Republic of Germany.