A representative work in the "anti-Gang of Four" genre, the play depicts a doctor dedicated to researching a new medicine despite sabotage by the Gang's followers.
He wrote the screenplay for the film Sunset Street (夕照街), which documents the changes to the lives of Beijingers during the reform and opening era.
[4] Su's second play, Neighbours (左邻右舍, 1980), continued the tradition of the celebrated writer Lao She in depicting the lives of ordinary people of Beijing.
It centres on a retired worker who helps the sick, the elderly, and the downtrodden, such as a former "rightist" falsely denounced for criticizing the Chinese Communist Party (CCP).
[5] Su suffered from cancer and underwent surgery to remove part of his stomach, lung, and spleen.