This paper centers on the cultural support of new quality productive forces, and emphasizes that the cultural support system of new quality productive forces is an organic unified whole composed of confidence, innovation, tolerance, integrity and integration. Cultural confidence is the foundation of the new quality productive forces which is promoted by cultural continuity, inclusiveness, unity, innovation and peacefulness. The new quality productive forces is culturally characterized by innovation, and culture updates with the development of science and technology, and meanwhile actively promotes and leads the spiritual source of productivity. The new quality productive forces take tolerance as the cultural choice, embody the cultural tolerance, absorption, compatibility and digestion in the cultural choice, and adhere to the cultural principle and value of honesty which determines the actual effect of the newly-formed quality productive forces. The new quality productive forces take integration as the essence of culture, and result from the dual structure and dual penetration of spiritual civilization and material civilization.