Abstract: Standardized and standardized geological data catalogues are effective ways to systematically and accurately expose important geological information and geological data management information contained in geological data.According to the current situation of geological data management and the overall demand of socialized services, continuously improve and optimize the geological data catalogue system, and further study and determine the geological data recording rules in line with the current work, which is inevitable for carrying out good geological data recording work.Based on the standard-setting work of geological data cataloguing rules, this paper systematically expounds how to construct the catalogue system of geological data and what considerations should be taken into account in determining the description rules from the aspects of working background, formulation principle, key point analysis, system construction and propaganda suggestion of catalogue-level description of geological data.Through the research and development, promotion and utilization of this rule, it has important reference significance for the future realization of the standardization and unified construction of geological data catalogues nationwide.