Han Dajian, female, Han nationality, is a native of Hepu, Guangxi Zhuang Autonomous Region. She was born in 1940 and graduated from the Mathematical Mechanics Faculty of Beijing University in 1963. In 1984, she received a doctor degree in the US and in 1986 joined the China Democratic League.
Han has been a professor and vice-president of South China University of Science and Engineering. She also served as the director of the Research Office of Structural Theory of the university.
After joining the China Democratic League, she assumed several leadership positions with the organization. She was a standing committee member of their Central Committee in 1997. The same year, she became chairman of the China Democratic League Guangdong Provincial Committee.
She is a member of the Standing Committee of the 9th CPPCC National Committee.