He is a member of the South Korean boy group NCT and its sub-unit WayV.

In 2015, Xiaojun participated in the reality program X-Fire (燃烧吧少年) on Zhejiang Television where he trained to be an idol alongside 15 other trainees.

On December 3, 2016, Xiaojun appeared on Our Chinese Heart (中国情), a program on CCTV-4, with his father and brother.

[5][6][7] In 2020, Xiaojun collaborated with Super Junior-M's Zhou Mi and fellow WayV member Kun on the single "I'll Be There", released on February 28, 2020.

[8][9][10] In October, Xiaojun made his NCT U debut on the single "Make A Wish (Birthday Song)".