Xu Zhimo
Returning to China in 1925, Yu joined in the organization of "Chinese drama club" in Beijing. Then he opened the department of theatricals in Beijing Mei Zhuan College (Now, it is Beijing Art College). Besides, he taught modern dramatic art, stage designing and performance and rehearsals, etc. Also he directed several dramas, for instance, Mutiny. In autumn of 1926, Yu accepted the offer to become a professor at Shanghai Guanghua University, Jinan University, etc. At the same time, he, together with Xu Zhimo, set up a bookshop named New Moon (Chinese: 新月), where he took the responsibility of editor and manager.