Abstract: With the rapid advancement of big data construction, promoting the modernization of governance has become a hot spot of big data application. Combining with the construction of Zhejiang Province's demonstration of geospatial big data application project, this paper focuses on the analysis of the demand for geospatial big data in government application, and combines the bottleneck problems in the current geographic information public service, puts forward the overall framework, main contents and key technologies of the construction of geospatial big data, and further verifies the effectiveness of the project construction through the application of government demonstration.

Key words: government application, geospatial data, spatio-temporal information, big data, cloud platform