The 25-year-old hurdler is said to be recovering quickly and recently resumed his training in Shanghai.
Chinese female veteran hurdler Feng Yun, 31, clocked 12.96 seconds to win the women's 100 meters hurdles at the Busan Asian Games.
In May, Olympic champion hurdler Liu Xiang came under fire for signing a deal with the Baisha corporation, a tobacco giant.
Remember Lolo Jones, the Olympic hurdler who caught headlines for being a social-media star at the 2008 and 2012 games?
Liu Xiang, the 110m hurdler, is an Olympic gold medalist and world champion. His 2004 Olympic gold medal was the first in a men's track and field event for China.
Chinese hurdler Liu Xiang's injury problems continued at the World Indoor Championships in Doha Sunday night as he finished 7th in the 60m hurdles, an event he won 4 years ago.
This week, the foreign ministry warned Chinese visitors to avoid "dangerous" areas of Rio and vowed to increase protection for Chinese athletes after a hurdler fell victim to a scam.
