Abstract: The disposition of land price monitoring points is an important fundamental work of the dynamic monitoring of urban land price.Based on the land grading and evaluation,establishment of digital land price model,collocation of monitoring points by overlay analysis of TIN node and lot Layer,land price update of monitoring points based on market data approach,update of land price TIN are presented,and a method and technical route for collocating the monitoring points of urban land price based on digital land price model are proposed.Finally,this disposition mode is compared with standard lot mode,the feasibility of the application is analyzed.