Abstract:In this paper, spatial planning platform in Yantai has been upgraded, and the "Yantai Land and Space Planning 'One Map' Implementation Supervision Information System" has been released. The system basically meets the demand of development planning in Yantai city. The construction process of the system has been introduced, technical characteristics of the system have been analyzed, the use methods and theories have been summarized. It will provide some reference for the construction of land space planning platform in the future.