Born in 1964 in Beijing, Jiang graduated with a major in English from China Foreign Affairs University in 1987.
In 1991, she joined the Information Department of the Ministry of Foreign Affairs where she worked as a staff member and attaché.
On 13 June 2006, Jiang attended a regular press conference for the first time as the spokesperson of the Ministry of Foreign Affairs.
[1][6][7][8][9][10][11][12] In August 2022, she was appointed as the Special Representative of the Ministry of Foreign Affairs for Cooperation Between China and Central and Eastern European Countries.
[13] From June 25 to July 2, 2024, Jiang Yu visited Bulgaria, Slovakia, and Montenegro, where she engaged with officials from the presidential administration, the ministry of Foreign Affairs, parliamentarians, and representatives from business associations and media.