1. A facial image identifying apparatus comprising: image capturing means for continuously capturing an image including the face of an examinee user; person detecting means for detecting a facial image of said examinee user from the image captured by said image capturing means; facial image information storage means for storing, in advance, facial image information of at least one registered user; person identifying means for comparing said facial image detected by said person detecting means with the facial image information stored in said facial image information storage means to determine whether said examinee user agrees with any of said registered users; person-detecting-situation detecting means for determining whether a situation of the image captured by said image capturing means is appropriate for said person detecting means to detect a facial image of said examinee user from said image or not; and information presenting means for presenting, to said examinee user, information representing that said situation is inappropriate to detect a facial image of said examinee user, as determined by said person-detecting-situation detecting means, and for presenting, to said examinee user, a determined result as to whether said examinee user agrees with any of said registered users, as determined by said person identifying means.