Li started training in 1993 the second Chengguan primary school. She joined Guangxi Divers' School in 1994, and became a member of the provincial squad a year later. She was selected for the Chinese national squad in 1999.
Partnered by her twin sister Li Yau (李嬈) in the 9th annual Chinese national championships, she obtained the bronze medal for synchronised diving from a 10m platform. She won a Gold medal at the 2002 Asian Games, as well as Gold and bronze medals in the synchronised and individual high-diving events. In 2003，FINA World Championships she was declared winner of the synchronised high-diving event.