Qingdao Hainiu
Cui Ren was promoted to China League One side Yanbian FC in 2007. On 29 March 2009, he made his senior debut in a 2–1 away defeat against Shanghai East Asia. On 26 September 2009, he scored his first senior goal in a 3–1 away defeat against Sichuan FC. Cui was linked with another League One club Qingdao Hainiu by the end of 2013 season; however, Yanbian refused his transfer request.