She headed Beijing No.1 School for Girls, participated in the December 9th Movement in 1935, and was a delegate to the first Chinese People's Political Consultative Conference in 1949.

[5] In the same year, Sun published an article "If I were a woman" on Dagong Bao under the pen name of "Hebi" (Chinese: 何必; pinyin: Hé bì; lit.

What is your opinion of such 'wild' and 'weird' women as Rosa Luxemburg?Zhang wrote back, and the two met each other "a few months after the exchange".

[8] The night before the demonstration, Sun met with Fan Xiheng [zh] to plan how to open Fucheng Gate for the protesting students.

She had played an important role in mobilizing students against the government for weeks before the massive demonstration of December 9.Sun was later demoted to a Chinese instructor at Beijing No.1 School for Girls.

[13] From June 1946 to December 1948, Sun was a member of the board of directors of the Shanghai branch of the Jiusan Society.

[15] In 1947, she was one of the first members of the Symposium on the Japanese Question (Chinese: 对日问题座谈会) founded by Chu Fucheng [zh], another director of the society.

[16] On 3 August 1947, the Symposium published a document "Our Opinion on the Japanese Question" on Dagong Bao, denouncing the U.S. support of Japan post WWII.

[3][22] She visited Yunnan with four other counsellors in January 1962,[23] Hunan and Hubei in late 1963,[24] and Daqing Oil Field in 1964.