19 19 was selected as a reviewer by China Juvenile Institute, an influential cultural group during the May 4th Movement, and became the main contributor of China Juvenile Monthly, actively participating in the new culture movement. 19 18 graduated from Tongji university, 1920- 1925 studied in Germany, and studied philosophy and aesthetics at Frankfurt university and Berlin university successively. After returning to China, he became a professor in the Department of Philosophy of Central University in 1930s (1949 was renamed Nanjing University), 1949 to 1952 was a professor in Nanjing University, 1952 was a faculty adjustment, and the Department of Philosophy of Nanjing University was merged into Peking University. Later, he has been a professor in the philosophy department of Peking University and a consultant of the All-China Aesthetic Society.