The management and optimization of the old urban residential green space is now an essential topic of today’s ecological civilization construction, and the renovation of information system technology offers new changes and needs for landscape investigation and management. Interpretation of GF-2 Remote sensing image and spatial analysis was used to improve the fieldwork arrangement and focus on the village inside the city and opening residential green space in Lishui City as the study area. Based on the RS and GIS analysis result, it saved labor and time cost and quickly constructed the detailed green space data result and greening visual analysis map. The result shows that taking advantage of both information technology and field research is a suitable way of digital landscape greening management, which can flexibly provide an effective reference for the early analysis and late maintenance of a specific investigation project.