New Democracy, which elaborates culture and cultural construction thoughts of New Democracy, is the work for the foundation of Mao Zedong Thoughts system. In the important works such as New Democracy and so on, Mao Zedong inherited the cultural ideas of the classic authors of Marxism, explained the related theories of cultural construction about Chinese revolution and destiny in the perspective of goal, principle and path and so on in cultural construction, which provided theoretical support for socialist revolution and construction since then.