1. A dual-camera face recognition device, comprising: a first camera, for capturing a first face image; a second camera, arranged at a position different from the first camera, for capturing a second face image; a face recognition processing unit, for receiving and recognizing the first face image captured by the first camera and obtaining a first candidate set, and for receiving and recognizing the second face image captured by the second camera and obtaining a second candidate set, and for selecting from the first candidate set and the second candidate set a candidate object, whose similarity complies with a predetermined rule, as a recognition result.