Abstract: Based on years of experience in informatization construction, combined with the development of information technology and practical demands of geological work, this paper summarizes the current development status of informatization in geological surveys at home and abroad, and focuses on the evolution of geological data information services, development of digital geological information product, geological big data storage and management, geoscience knowledge graphs, geological big data visualization, and specific application scenarios of blockchain in geosciences, aiming to use big data technology to enhance data asset management, facilitate geoscience data sharing, and advance geological informatization construction.