Based on the real-time traffic data and the isochronous circle maps which is drawn by GIS, this thesis studies the rationality ofthe configuration ofthe 35 primary schools in Furong district of Changsha city. Taking all primary schools coordinate points as the starting points, and all grid center coordinate points which are divided by GIS in whole range of the research district as the end points, the thesis extracts the travel time from starting points to end points as the basic data of the study. Considering the three modes of travel, such as ...