He is best known for his historical drama The Glory of Tang Dynasty (2017), Under The Power (2019), Forever and Ever, One and Only (2021), as well as The Blue Whisper, Thousand Years for You (2022), and Burning Flames (2024).

Ren was a professional table tennis player, who trained alongside Zhou Yu and Zhang Jike.

Prior to beginning his acting career, Ren participated in Hunan TV's Super Boy and Korean Star.

He was originally planned to debut in a Chinese-South Korean boy group, but quit in 2014 due to unknown reasons.

In 2014, Ren filmed his first television drama Detective Dee, where he played the leading role of Di Renjie.

[7] In 2018, Ren starred in the fantasy romance drama The Destiny of White Snake, based on the renowned Chinese folktale, playing Xu Xian.

[10] In 2021, Ren starred in the Chinese drama Miss Crow with Mr Lizard alongside Xing Fei, as his Co-star.

And a newly broadcast fantasy Republican Era drama, Thousand Years For You where Ren starred with Li Qin.