Abstract: With the fast promotion of urban development planning, the need for fine management of land resources is increasingly urgent. In order to solve the problems of asymmetric information, cumbersome process, complex decision-making and low efficiency in land reserve management, the full life cycle management system of land reserve were designed by using GIS, cloud computing, Internet and other related technologies, combined with the actual requirements of land reserve management, the key technologies were analyzed, and the implementation steps of the system were discussed.