In 2010, Xu Dong started his professional footballer career with Liaoning Tiger in the China League Two division.

[1] In February 2011, Xu transferred to another China League Two side with Harbin Yiteng.

[2] In his first season with the club he would quickly establish himself as a vital member of the squad and went on to win the 2011 China League Two division title with them.

[4] He would make his Chinese Super League debut for Harbin on 7 March 2014 in a game against Shandong Luneng Taishan in a 1–0 defeat.

[5] In February 2015, Xu transferred to China League One side Beijing Enterprises.