1. A face recognition method for identifying a person by detecting a three-dimensional shape of the person's face and a surface image thereof and collating the three-dimensional shape of the face and the surface image with enquiry face image data, comprising the steps of: estimating shooting conditions of the enquiry face image data; generating referential face image data by the shooting conditions and the three-dimensional shape and an image of the surface thereof using a graphics means; comparing the referential face image data to the enquiry face image data; and identifying the person of the enquiry face image data with the person of the referential face image data when a difference between both the face image data is small.