Abstract: Cultural publicity is the second battlefield in a war and the anti-Japanese war publicity paintings are a silent anti-Japanese approach. The publicity paintings of the Northeast anti-Japanese war are an integral part of the publicity history of China's anti-Japanese war. It has unique artistic characteristics and aesthetic style. The theme and content of the Northeast anti-Japanese war publicity paintings are full of anti-colonialism， which reveals the aggressive behavior of Japan under the disguise of Puppet Manchukuo; the Northeast anti-Japanese war publicity paintings have both shape and spirit， which shape the artistic image of arduous struggle and revolutionary struggle， and convey the characteristics of critical realism and fanatical expressionism in concept; the aesthetic style of the Northeast anti-Japanese war publicity paintings is concentrated in two aspects: one is the tragic and oppressive style under the Japanese colonial oppression; the other is the enthusiasm and heroism style of heroic struggle. Studying the artistic characteristics and aesthetic style of the anti-Japanese war publicity paintings during the Puppet Manchukuo Period will help to remember the history and look into the future， which is of great significance to academic research and patriotic education.

Key words: Puppet Manchukuo, anti-Japanese war publicity, artistic characteristics, aesthetic style