Abstract: The investigation of greenbelt in Luoyang city was made by the application of RS and GIS, the database of greenbelt information was built and the actuality was analyzed. Based on this, the application of RS and GIS in green planning in Luoyang city was studied. In order to derive proper vegetation information, the image was merged, geo-corrected, classified and produced thematic map, and the correlative spatial and attribute database was established. And the building height was picked-up. The function of GIS of buffer, overlay, slope, aspect and intervisibility were applied, and it made the planning more scientific and feasible.