A method of focusing in a device having a camera, the method comprising: displaying an image output by the camera in a display unit 130 as a preview image; checking whether at least one registered focus item exists; displaying the at least one registered focus item in the preview image; selecting a focus item of the at least one registered focus item; searching contact information for the selected focus item, wherein the contact information includes an image or a color of the selected focus item; if the selected focus item exists in the contact information, searching the preview image for the image or the color of the selected focus item; if the image or the color of the selected focus item is found in the preview image displayed by the display unit, automatically focusing the camera on a corresponding location of the image or the color of the selected focus item and displaying a focus mark at the location of the selected focus item in the preview image displayed by the display unit to indicate that the auto-focusing has been performed; if the selected focus item does not exist in the contact information, searching a website by connecting to an internet network through a communication unit; if the selected focus item is found through the website searching, selecting an image from at least one found image, and searching for an image matching the selected image in the preview image; if the image matching the selected image exists in the preview image, automatically focusing the camera on a corresponding location of the image matching the selected image; if the selected focus item is not found through the website searching, searching the preview image for a character of the focus item using character recognition for a text search; and if the character of the focus item is found, automatically focusing the camera on a corresponding location of the character of the focus item. displaying an image output by the camera in a display unit 130 as a preview image; checking whether at least one registered focus item exists; displaying the at least one registered focus item in the preview image; selecting a focus item of the at least one registered focus item; searching contact information for the selected focus item, wherein the contact information includes an image or a color of the selected focus item; if the selected focus item exists in the contact information, searching the preview image for the image or the color of the selected focus item; if the image or the color of the selected focus item is found in the preview image displayed by the display unit, automatically focusing the camera on a corresponding location of the image or the color of the selected focus item and displaying a focus mark at the location of the selected focus item in the preview image displayed by the display unit to indicate that the auto-focusing has been performed; if the selected focus item does not exist in the contact information, searching a website by connecting to an internet network through a communication unit; if the selected focus item is found through the website searching, selecting an image from at least one found image, and searching for an image matching the selected image in the preview image; if the image matching the selected image exists in the preview image, automatically focusing the camera on a corresponding location of the image matching the selected image; if the selected focus item is not found through the website searching, searching the preview image for a character of the focus item using character recognition for a text search; and if the character of the focus item is found, automatically focusing the camera on a corresponding location of the character of the focus item.