Education
China University of Political Science and Law.
China University of Political Science and Law.
After attending Beijing College of Political Science and a period of post-graduate study she was assigned to work at the research centre of the Ministry of Labor and Human Resources. During the 2002 housing reforms, Cao reported corruption amongst her supervisors and lost her job. Thereafter she became a human rights activist and subsequently served at least two terms in prison camps as a result of her activities.
Cao was detained in September 2013 following a two-month sit in at the Foreign Affairs Ministry as part of a group demanding a national human rights review.
Cao died in a Chinese military hospital on 14 March 2014 with her body showing "signs of her mistreatment during approximately five and half months in detention".