Stimulated by a rapid growth of economy

geographic information systemis getting booming in China

particularly in the fields of city planning and landmanagement.Large GIS are under way in some coastal cities. While cost and benefitanalysis

an important part for both project possibility study and implementation of aGIS.has not been tackled even since in the country. This article introduces someaspects and models of cost and benefit analysis of GIS from technologic and econo-mic views

aiming at providing an impetus to study on this area in the country.Firstly

some perspectives on this question have been reviewed

then approaches ofidentifying GIS costs and benefits and some economic techniques are introduced anddiscussed in the article.