Abstract: The construction of the national geological data center makes it more convenient for the public to obtain and use the data of geological data.It can be used as the national data resources for the country，and it can be used as the national data resources for large-scale and large-scale data resources.Economic construction to provide basic information on digital resources protection.This paper studies the construction of the digital resources management and assurance system of geological data，analyzes the basic situation of digital resources，and discusses the protection of digital resources from the aspects of network layer，efficient use of data and long-term storage technology，and discusses the construction of data security system.Digital resources management and security system can effectively promote the geological information management and protection of information technology.