[5] At the 2019 World Aquatics Championships held in Gwangju, South Korea, he again won gold in the 3m springboard event.

[8][9] He also partnered with Wang Zongyuan in the men's 3m synchro event and the pair won gold.

[10][11] After the Tokyo Olympics, Xie announced his retirement from the Chinese national diving team.

[12] He subsequently returned to the sport two years later after spending his time completing a master’s degree and participating in youth coaching.

[13] At the 2024 Paris Olympics, Xie won gold again in the 3m springboard event with a score of 543.60, surpassing his compatriot, Wang Zongyuan, who took the silver.