PROBLEM TO BE SOLVED: To provide a system for preparing a map, using a multi-spectral view pick-up image. SOLUTION: This multi-spectral pick-up image analyzer is provided with a surface substance analyzing means 121 for analyzing the multi-spectral view pick-up image 111, using a spectral information database 112, an on-ground object specifying and analyzing means 122 for specifying an on-ground object, using a surface substance analyzed result and an on-ground object information database, and an output processing means 124 for outputting map information, based on an on-ground object specified and analyzed result and output setting. COPYRIGHT: (C)2005,JPO&NCIPI