Everything is for war is a famous saying said by Mao Zedong. "Everything is for war, everything for victory." This famous saying came from the mouth of Mao Zedong, a modern Chinese revolutionary, strategist, and statesman. This sentence was spoken by Mao Zedong in his speech at the Wayaobao Conference in northern Shaanxi in November 1938, when he was leading China's Anti-Japanese War. This sentence emphasized the importance of war and the necessity of victory. This sentence has also become the slogan and belief of the Communist Party of China and the Chinese people to fight against foreign enemies and defend national sovereignty and national dignity. It has important historical significance and practical value.