Abstract: Rectifying the origin is the basic observance and an important prerequisite for promoting cultural construction in the new era, upholding fundamental principles and breaking new ground is a scientific world outlook and methodology to guide cultural construction in the new era, we have made historic achievements in promoting the practice of cultural construction in the new era by rectifying the origin and upholding fundamental principles and breaking new ground. From the perspective of historical appearance logic and national rejuvenation narrative, cultural development in the new era must be rooted in rectifying the origin, its historical initiative,spatiotemporal connectivity and resource integration are unprecedented. From the perspective of theoretical presence logic and modern discourse construction, profound revelation of cultural construction in the new era: only by upholding fundamental principles and breaking new ground can we walk steadily and achieve great success in the turbulence of world culture with a broad vision of the "great nation", only by adhering to the soul and root pulse can we consolidate and promote the cultural subjectivity of the Chinese nation, building Chinese path to modernization cultural form is the key point of the new journey. In summary, the practical logic of cultural construction in the new era is deeply characterized by strengthening ideological leadership, spiritual cohesion, value appeal and international influence in rectifying the origin and upholding fundamental principles and breaking new ground. Through the fields of history, theory, and practice, reflecting the historic achievements of cultural construction in the new era, including "why", "by what means" and "how" they were achieved, forming a comprehensive and interconnected logical system.