He Changxi (Chinese: ä½Âæ¶å¸Â; born December 23, 1997) is a Chinese actor and singer. He gained national recognition in 2019 after participating in the iQiyi survival reality show Youth With You, where he secured a spot in the boy band UNINE. As an actor, he has starred in leading roles in the television dramas Orange Soda (æ©ÂÃ¥ÂÂ汽水) (2024) on WeTV, Exchange Souls (2025) on Mango TV, Love of Petals (2025) on iQIYI , and the BL drama Sammy's Children's Day (2026) on Viki and GagaOOLala . He has also appeared in productions such as Dear Parents (2021), Romance of a Twin Flower (æÂ¥éº梦éÂÂ人) (2023), Limited 72 Hours of Love (æÂÂçÂÂç²çÂÂæÂÂ人) (2024) and Pursuit of Jade (2026) on Netflix.
He Changxi was born on December 23, 1997, in Yueyang, Hunan, China. He graduated from the Beijing Contemporary Music Academy, where he studied Chinese vocal music.
In early 2019, He participated as a trainee under the agency Awaken-F in the iQiyi idol survival show Youth With You. On April 6, 2019, he secured the ninth and final spot in the debut lineup, becoming a member of the project boy band UNINE.
With UNINE, He released two extended plays in 2019: UNLOCK on May 6, featuring the lead single "Bomba", and UNUSUAL on October 21. The group also embarked on a fan meeting tour titled "RUN TO U" across several Chinese cities throughout the summer of 2019. On October 6, 2020, UNINE officially held their graduation concert in Beijing, marking the group's disbandment and the beginning of He's solo career.
After UNINE's disbandment, He focused on acting. On November 24, 2020, he released his first solo EP, THE MAN.
He made his film debut in 2020, starring in Painted Skin: The Guo Jingming Edition and Wuliang. In 2021, he took on the role of Ouyang Ke in the martial arts film The Legend of Condor Heroes: The Cadaverous Claw. His early television roles included appearances in Dear Parents (2021) on Prime Video and a supporting part in the period drama Romance of a Twin Flower (2023).
In 2024, he gained attention for his leading role as Yan Ci in the youth romance drama Orange Soda (WeTV). The same year, he appeared in Limited 72 Hours of Love and Ancient Workplace, Love Handbook.
The year 2025 marked a significant increase in his acting projects. He starred in series Love of Petals on IQIYI, the fantasy drama Mystic Tales on Sohu TV, Ten Years of Unrequited Love on Viki, the modern suspense drama Lock Her (as Dai Shiyao) on WeTV, and Exchange Souls on MangoTV.
In 2026, He was originally cast as Song Yan in the drama Pursuit of Jade. However, due to his participation in the BL drama Sammy's Children's Day, he was reportedly placed on an informal "risk" list, and his scenes were replaced using AI face-swapping technology prior to the series' release. The incident was widely covered by Taiwanese and Hong Kong media outlets, sparking discussions about censorship and the use of AI in the entertainment industry.