Shanghai International Studies University
After returning to China, Gu worked at the Kailuan coal mine, Department of Finance of Jiangsu Province, and taught English. He later became a professor at the Central Politics Institute in Chongqing. After the founding the People's Republic of China in 1949, he worked as an English professor at Shanghai International Studies University and was a member of the Shanghai Research Institute of Culture and History. He was also a party member of the Revolutionary Committee of the Kuomintang (Minge).