[1][2] She won the silver medal at the 2014 Asian Junior Championships in the girls' doubles event partnered with Li Yinhui.

[4] Du also claimed the girls' doubles gold in 2016 partnered with Xu Ya and doubled-up the title winning mixed doubles gold with He Jiting.

Partnered with Li Yinhui, they finished as the quarter-finalists after being defeated by the eventual gold medalists Greysia Polii and Apriyani Rahayu of Indonesia in three rubber games.

[10] After Du's retirement from the national team in 2023,[11] she partnered Xia Yuting to participate in the Summer World University Games.

They reached the final before bowing out to compatriots Li Wenmei and Liu Xuanxuan in three games.