Abstract: The Anti-Japanese War is the critical phase which the Mao Zedong democracy thought forms, the democracy thought has the very important status in the Mao Zedong Thought system. This article mainly from the war period democratic ideology of Mao Zedong raised the causes, democratic ideology of the main theories, thinking of the practice of democracy, democratic ideology of the Enlightenment, and other aspects: In the new time, the Mao Zedong democracy thought to constructed the Chinese characteristic socialist democratic politics, the development socialism politics civilization still has the important meaning.