Wu started his football career in 2004 when he was promoted to Chinese Super League club Inter Shanghai's first team squad.
[1] On 7 September 2005, he made his senior debut in the second leg of 2005 Chinese FA Cup quarter-finals against Shandong Luneng Taishan after first choice goalkeeper Zhang Chen got ill before the match.
[2] His Super League debut came on 5 November 2005, in the last match of the season which Inter Shanghai lost to Chongqing Lifan 3–1.
He lost his position to Shen Jun when Zhu Guanghu became the manager of the club in 2010.
[6] In March 2016, Wu transferred to China League Two side Yinchuan Helanshan.