1937 Lecturer, Department of Oriental Studies, Bonn University.

From 65438 to 0938, he served as a lifelong lecturer at the Foreign College of Berlin University.

194 1 returned to China and was employed as a professor of philosophy at Chongqing Central University.

Since 1944, he is also the head of the department.

1946 Head of the Department of Philosophy, Nanjing Central University.

1948 Professor, Department of Literature and Department of Philosophy, Tongji University.

After liberation, he served as professor and dean of philosophy department of Nanjing University, professor of philosophy department of Peking University, and professor and deputy director of Peking University Institute of Foreign Philosophy.