In recent years, the vigorous development of “Internet ＋ Government Services” has promoted the deep integration of the Internet and the government public service system, and the construction of digital government has achieved initial results. How to achieve standardized, efficient, safe management, sharing and application of Internet ＋ big data in government affairs, and promote the solution of the “Three Integrations and Five Crossings Issues”, is the key to building a higher quality digital government and promoting the modernization of national governance system and capacity. This paper first summarizes the development of government data management at home and abroad. Secondly, it expounds the collection technology, storage technology, fusion technology, computing technology, application technology and security technology in the full life cycle of Internet ＋ government big data management, and summarizes the evolution of mainstream data management technology. Finally, this paper discusses some urgent problems in Internet ＋ government data management, and the development trend of Internet ＋ government data management technologies.