An electronic device and a method for performing face authentication by using multiple cameras are provided. The method of the electronic device includes an operation of receiving a request for registration of face information through a first camera device having a first characteristic, an operation of acquiring, based on the request, multiple first images through the first camera device, an operation of performing filtering for each of the multiple first images to generate multiple second images reflecting a second characteristic of the second camera device, an operation of generating multiple first templates based on the multiple first images, an operation of generating multiple second templates based on the multiple second images, and an operation of storing the multiple first templates and the multiple second templates in the memory, thereby completing the registration of the face information.