The songs in the Northeast Anti-Japanese Union reflect the accusation that the country broke down and the country died, and the folk songs reflect the people's blood and tears accusing the country of breaking down and dying, and reflect the people's bitter days and resentment after Japan invaded the Northeast. It mainly includes: the song of national humiliation memory, the 20 years of the Republic of China, the hate of national subjugation, the song of the September 18th Incident, the song of five hates, the suffering of Manchuria, the sigh of women and other songs. These songs directly express the hatred, dissatisfaction and satire against the reactionary forces such as Japanese invasion of Northeast China, traitors and traitors, convey the sufferings of the people under the brutal rule of the European government, express the determination and confidence of the people in Northeast China to resist Japan, call on the people in Northeast China to unite and defend their country, and reflect the determination of the people in Northeast China to resist Japanese aggression and defend their motherland. These songs have a strong summoning function. Became the fighting thought and program of the army and the people, expressing the confidence of the hot-blooded man to win. Therefore, the songs in the Northeast Anti-Union are the manifesto and weapons of the war of resistance.