Wu was recruited to begin training in hurdling when she was a fifth-grade student in elementary school in Doumen District, Zhuhai.
At the 11th Chinese National Games in 2009 she set a personal best time of 13.67 seconds and was a finalist in the event, as well as placing fourth in the 4×100 metres relay with her native province, Guangdong.
[2] Her first international medals came at the 2010 Asian Junior Athletics Championships: she claimed the 100 m hurdles title at the 2010 Asian Junior Athletics Championships, winning by almost half a second, and also helped China to the silver medals in the 4×100 m relay.
This earned her a debut appearance 2013 World Championships in Athletics, but she failed to get past the heats of the global level event.
[9] At the 12th Chinese Games she beat two-time Asian champion Sun Yawei to take the hurdles gold medal in a new best of 12.96 seconds.