Cao Zhaoqin worked at People's Daily 37 years, including as a night editor 33 years. She do love the job of Journalism. As an outstanding Journalist, she has political sensitivity, excellent ability to worked and the ability to deal with major news events. In 1995, Cao worked as the deputy director of the General Editing Department, and in charge of night editing.

Cao experienced many major editing works as a chief editor, a director, or a group leader, such as the report of NPC (National People's Congress) and CPPCC (Chinese People's Political Consultative Conference), the Party Congress, combating floods in 1998, etc.

As a woman, she is so kind that the journalists call her "kind editor". A newspaper article she edited will be a moving news and exert a great influence over the country.

After worked as the deputy director of the General Editing Department, she insisted in working on night editing 7 months every year. She is willing to be a "Lao Huang Niu" of Journalism.