1. A 3-dimensional face data restoring and collating system comprising: a 2-dimension face image storage unit configured to store a plurality of 2-dimensional face images of persons; a 3-dimensional face restored shape storage unit; and a 3-dimensional face shape restoring unit configured to restore a 3-dimensional face shape data from one of the plurality of 2-dimensional face images for a target one of the persons based on a 3-dimensional reference face shape data, and to store the 3-dimensional restored face shape data in said 3-dimensional face restored shape storage unit.