On protracted war begins with China's theory of death and China's theory of quick victory, and then the author refutes these two wrong views one by one, which leads to the author's own view: War of Resistance against Japanese Aggression is a protracted war, and the final victory is China's. And through Initiative in War, War and Politics, Political Mobilization in the Anti-Japanese War, Purpose of War, Attack in Defense, Quick Decision in Persistence, Exterior Lines in Interior Lines, Initiative, Flexibility and Planning, Mobile Warfare, Guerrilla Warfare, Positional Warfare, War of attrition, etc.

Basic argument: War of Resistance against Japanese Aggression is a protracted war, and China is bound to win the final victory of this war.

Function:

1. formulated the correct line, principles, policies, strategies and tactics to guide War of Resistance against Japanese Aggression's people's war.

Second, it objectively evaluated the war situation and inspired the people of China.

Third, resist China's ideological trend of "national subjugation" and "quick victory" and establish and consolidate the anti-Japanese national united front.

Fourth, guiding modern anti-aggression local wars can stand the test of practice.