[1] He made his official debut after winning 2nd place in Hunan TV's singing competition Super Boy in 2013.

[3] In 2014, Ou made his acting debut in Hunan TV's music drama Song of Vengeance.

[5] In 2015, Ou achieved recognition with his role in the youth film The Left Ear by Alec Su.

[15] The same year, Ou featured in Chen Kaige's fantasy mystery film Legend of the Demon Cat.

[21][22] On the small screen, Ou starred in romance drama Love Under the Moon alongside Victoria Song.