Abstract:Accompanying with rapid development of land data generation and collection technology, massive amounts of data have collected into land department, and land and resources field has quietly come into the era of large data. In order to adapt to the new characteristics of land and resources work in new period and construct digital land, through the integration of existing data, a unified urban and rural cadastral information management platform has been established by Qingzhou Bureau of Land and Resources. Perfect data collection, updating, query and application mechanism has been established, data potential has been digged, dynamic management of land data has been realized, and the construction of a unified market for urban and rural construction land has been built. Through good compatibility and flexible data interface form of this system, It will become an important node in the land and resources data system. Land resources management can come into the era of big data.