The invention discloses a face recognition student attendance device and a face recognition student attendance method, and belongs to the technical field of image recognition. The device comprises a hand-held terminal, a front-end processor, a database server and a camera, wherein the hand-held terminal is respectively connected with the camera and the database server; the camera is connected with the front-end processor; and the front-end processor is connected with the database server. According to different sizes of classrooms, different cameral moving control strategies are applied, active coordination of a person to be checked is not needed, and normal order of classes is not influenced in real sense, so the efficiency is improved, and substitute reply is avoided.