Sustainable development is an important topic in the field of urban science. Sustainable development emphasizes that urban development shall not only conform to the macro-level development law，but also adapt to micro-level basic conditions. The urban function is oriented based on the combination of urban current development conditions and future development goals. The scientific and reasonable orientation of urban functions is a significant condition for realizing a city's sustainable development. The “National Cultural Hub” is the core function of Beijing Located in core functional zone of Beijing，Dashilar is an important cultural space in Beijing with rich cultural resources. How to promote the development of cultural function through leveraging the advantages of Dashilar and making the best use of these cultural resources are of great significance for promoting sustainable development of Beijing The exploration and innovation in urban sustainable development also demonstrates the important reference and exemplification value for other cities.