Career
Chen Dong started his professional career in 1998 playing for the where for several seasons with the club he played unstudy to Han Wenhai until Han left before the beginning of the 2001 league season. His reign was short lived and the emergence of An Qi saw Chen drop back down as to second choice the following season, unable to re-establish himself as the regular first choice goalkeeper. Despite winning several further league titles Chen received very little playing time and in the 2003 league season he would go on loan to Sichuan Guancheng and then Dalian Changbo in the 2004 season where he would gain much more playing time and establish himself as the first choice goalkeeper at both of these clubs.
He remained a consistent performer for Dalian until the 2008 league season when he was criticised for his poor performances with several other players and was dropped for Sun Shoubo, the club kept on to him until the end of the 2009 league season when his contract expired and he was released.
Chen Dong would make his senior international debut in a friendly on February 16, 2003 against Estonia in a 1-0 victory. In total he made three appearances for China, the last was against Thailand in a friendly on the 15 March 2008 coming on as a substitute for Zong Lei, which ended 3-3.