Cao Jun, born on February 9, 1988, in Shanghai, China, is a Chinese actor known for his roles in stage and screen. He began his career as a child actor at the age of eight, starring in the Singapore-China coproduction True Little Monk (1996) as "Xin Xin." His breakthrough came when he won the Best Newcomer Award at the Second Asia Television Awards in 1997, becoming the youngest recipient. Throughout his childhood, Cao Jun starred in several notable works including Lotus Child Nezha (1999), Nine-Year-Old County Magistrate (2001), and Treasure Lamp (2005) where he played "Cheng Xiang," achieving a peak viewership rating of 9.1%. After taking a hiatus from acting to focus on his studies at Shanghai Visual Arts Academy, Cao Jun returned to the screen in supporting roles such as in Forest Sea Snowfield (2015). His career resurgence began with appearances on variety shows like I Am an Actor and Actor Access 2, leading to significant roles in dramas including In the Field of Hope (2021) and Worry-Free Ferry (2025), where he showcased his mature acting skills and martial arts prowess. He has also ventured into the music industry by releasing several singles over the years, including "时差" (2022), "冰与火" and "莲语丹青" in 2025.