Abstract: The construction of new-type smart city is of great significance for improving the government􀆳s governance ability, enhancing life satisfaction, and promoting the development of digital economy. However, the data security issues have now become the bottleneck in the construction of the new-type smart city. In this paper, data security problems of government data in the construction of new smart city are systematically analyzed, and existing security regulations and rules published by national local governments in data security are comprehensively reviewed.Suggestions are then made in seven themes including data sharing and opening mode, data quality control,responsibility boundary delimitation, hierarchical classification, security techniques, risk assessment and supervision mechanism to ensure the security of government data sharing and opening comprehensively and promote the construction of the new-type smart city.

Key words: govermental data, management, hierarchical classification, full life-cycle, data security, personal privacy, data ownership