1. An image collecting system for collecting an image having a target character therein, comprising: a camera system that captures an image in which the target character is caught in a predetermined area; an image database that stores images captured by said camera system; a character information database that stores character information for identifying a person caught in an image as the target character; a character positioning unit for obtaining position information qf the target character at a certain time; and an image collecting unit that connects to said image database and said character information database to identify images stored in said image database with the target character therein based on the character information stored in said character information database and the position information of the target character obtained by said character positioning unit, and collect images in which the target character is caught from the images stored in said image database.