To provide a market analyzing method capable of easily and quickly performing sales prediction or the like at a low cost by using a computer system, appropriately taking a change of conditions into consideration and performing market analysis matched with reality without the need of many costs and time.

A map is displayed at a display means 3, a shop to be an analysis object is specified on the map and an analysis object area is set. A CPU 4 inside a personal computer main body 1 calculates a distance from a centroid of each mesh area inside the analysis object area to the specified shop and calculates customer attractability, acquirable consumer spending and sales for each category of the specified shop on the basis of the calculated distance, a distance resistance coefficient, an attraction coefficient of the shop, a population inside each mesh area stored in a storage device 6 as a file on the basis of statistic data and a consumer spending total amount or the consumption spending for each category inside each mesh area. The distance resistance coefficient and the attraction coefficient of the shop, etc., can be appropriately corrected.