|Date of birth||10 November 1997|
|Place of birth||Longnan, Gansu, China|
|Height||1.82 m (5 ft 11 1⁄2 in)|
|Chongqing Dangdai Lifan|
|2017||→ Chongqing Dangdai (loan)|
|* Senior club appearances and goals counted for the domestic league only and correct as of 31 December 2019|
Cao Dong was promoted to Chinese Super League side Chongqing Dangdai Lifan's first team squad in 2018. On 3 March 2018, he made his senior debut in a 1–0 home win against Beijing Renhe, coming on as a substitute for Wu Qing in the 67th minute.
- As of 31 December 2019.
|2018||Chongqing Dangdai||Chinese Super League||16||1||2||0||-||-||18||1|
- Cao Dong at Soccerway