Abstract: The construction of 3D real scene in China is an important measure to implement digital China and digital development, it is also a specific deployment to implement the construction of new national infrastructure. Based on the construction of 3D real scene project in whole area of city and county of Zhejiang province, this paper designs a product system that takes into account the geomorphologic characterization and application requirements, studies the production technology system, confirms the scientificity and applicability of the research results through the practice in Xiaoshan district, Hangzhou city, Zhejiang province. The research content gives consideration to the requirements of 3D real scene construction in China & the distinctive characteristics of Zhejiang province, it provides a reference for other regions to promote next work.

Key words: whole area of city and county, 3D real scene, product system, technical system