The War to Resist U.S. Aggression and Aid Korea refers to the historical event that People's Republic of China (PRC) sent Chinese people's Volunteer Army to participate in the Korean War from 1950 to 1953 in order to support the Democratic People's Republic of Korea in resisting the aggression of the U.S.-led "United Nations Army".

Volunteers crossed the Yalu River.

The War to Resist US Aggression and Aid Korea is also a national patriotic movement launched by the people of China to defend national security and territorial sovereignty and oppose the hegemonism and aggressive policy of the United States.

The War to Resist US Aggression and Aid Korea is an arduous war. The two sides fought fiercely on the Korean peninsula for more than three years, causing huge casualties and material losses. Finally, under the influence of the Sino-Soviet peace initiative, the two sides signed the Korean Armistice Agreement in Panmunjom on July 27th, 1953, ending the state of war. The War to Resist U.S. Aggression and Aid Korea is a just war, which has maintained peace and stability on the Korean Peninsula, safeguarded China's border security, cracked down on the aggressive ambitions of the United States, and promoted the development of the world anti-colonial movement and the cause of peace.

Panmunjom signed the Korean armistice agreement.

The War to Resist U.S. Aggression and Aid Korea also forged the great spirit of resisting U.S. aggression and aid Korea, which is the spiritual wealth of China people who are not afraid of violence, dare to struggle, fear of sacrifice, unity and friendship, self-improvement and innovation.