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Abstract. Under the background in the era of big data, in order to promote sustainable development of the geomatics for a long time, this paper studies the opportunities and challenges faced by current geographic information science through quantitative analysis, literature research and case analysis, such as favorable growth environment, the growing demand for services, the transformation of traditional management concepts; the ability to manage and control virtualized data, the security protection and proper use of massive data, and the improvement of relevant laws and regulations. Finally, in order to adapt to the development of the era of big data, it puts forward new requirements for the diversification and service mode of geomatics, promotes the all-round development of geomatics, and provides more refined and personalized services for the majority of users.