She is also the vice-chairperson of Legislative Affairs Commission of China's National People's Congress.

[2][3][4] Xin was born in 1956 in Tongliao, Inner Mongolia Autonomous Region.

After graduating with a degree in law from Jilin University in 1978 she continued her studies, obtaining a Master's in Law in 1981 from the Chinese Academy of Social Science.

Three years later she traveled to the United States as a visiting scholar of UC Berkeley School of Law where she discovered how Chinese politics was being perceived.

Finishing her studies overseas in 1986 she returned to China and worked as a scholar at a number of national-level law institutions.