Xiao Jun

In 2015, he was a participant in the Chinese survival show X-Fire. On July 17, 2018, he was introduced as a member of the pre-debut trainee team SMROOKIES. On December 31, 2018, it was announced that he would be a member of NCT's Chinese sub-unit, WayV.

The unit debuted on January 17, 2019, with the digital EP The Vision. On October 12, he made his official debut under the sub-unit NCT U, as a part of the NCT's 2020 project NCT Resonance Pt. 1 with the song "Make A Wish (Birthday Song)".