Ren Yunjie began his acting journey in the mid-2010s, appearing in smaller roles before gaining recognition in The Song of Glory (2020). His early performances showcased his versatility, allowing him to take on both historical and contemporary roles. He continued to build his reputation with supporting roles in Swing to the Sky (2020) and Always Have, Always Will (2021), where he played Sheng Ze, a character that resonated with younger audiences.
His breakthrough came with Embrace in the Dark Night (2024), where he played Xu Zheqing in a leading role. Since then, Ren has starred in several high-profile dramas such as The Secret Contract of the Witch (2025), Wild & Fiery (2026), and Fascination (2026). With his growing popularity and consistent performances, he has become one of the rising stars in Chinese television, admired for his tall stature and charismatic screen presence.