The Battle at Lake Changjin is a 2021 Chinese war drama film co-produced and co-directed by Chen Kaige, Tsui Hark and Dante Lam, written by Lan Xiaolong and Huang Jianxin, and starring Wu Jing and Jackson Yee. It was commissioned by the Central Propaganda Department of the Chinese Communist Party as part of the Party's 100th anniversary celebrations. The film depicts the story of the North Korea-allied Chinese People's Volunteer Army, forcing U.S. forces to withdraw in a fictionalized retelling of the Battle of the Chosin Reservoir during the Korean War.