abstract:Xie Xuan (謝玄) (343–388), courtesy name Youdu (幼度), formally Duke Xianwu of Kangle (康樂獻武公), was a Jin Dynasty (265-420) general who is best known for repelling the Former Qin army at the Battle of Fei River, preventing the Former Qin emperor Fu Jiān from destroying Jin and uniting China.