Career
Her personal best is a throw of 60.65 metres. She began competing in the event as a teenager and in 2003 she threw a best of 58.03 metres. Representing Hunan Province, she was seventh at the 2005 National Games of China.
Liu came sixth at the Chinese World Trials in 2007.
Although the following year"s Chinese championships were held after the 2008 Beijing Olympics, she established herself at a national level by taking the Chinese javelin title in a personal best 59.04 m, finally improving upon her best mark she had set as a sixteen-year-old. Liu missed the 2009 World Championships in Athletics, but she had a rapid ascent at the regional level that year.
The 2009 Asian Athletics Championships held the next month in Guangzhou brought her another gold medal as she and Li Lingwei took the top two spots for the host nation. Following a low-key 2010, when she was sixth nationally and had a year"s best of 58.49 m, she returned to form in the 2011 outdoor season.