Tsinghua University Department of Physics; Teaching assistant (85.08-), lecturer (87.09-);

Visiting scholar at SSC National Laboratory of American Superconducting Superconducting Collider (93.06-93.09);

Tsinghua University Department of Physics; Associate professor (93. 10-), professor (97. 10-),

Doctoral supervisor (98. 10-), vice president of science college (03.03-).

Director of Tsinghua University Library