The map of Xi 'an was updated on February 24th, 65438. Xi Planning Bureau takes the fifth planning revision of Xi as an opportunity to comprehensively lay out and improve the construction of Xi's basic surveying and mapping and spatial geographic information guarantee system, spatial geographic information public service platform, geological big data platform and three-dimensional and diversified spatial geographic information big data center. The further improvement of the system will provide strong support for the overall planning, construction and management of Xi 'an.