A method of operating a camera including an information supplement function which supports to write a specific type of information desired by a user during a camera operation, and a terminal for supporting the same are provided. The method includes activating the camera module, and outputting to a display unit, an information editing area having an information supplement function together with at least one of a preview area for outputting the preview image, a photographed image area according to completion of photographing, and an on-photographing area according to a state of on-photographing of at least one of time points when a preview image of an object for photographing at least one of a picture and a moving picture by the activated camera module is output, when a photographing for one of a picture and a moving picture is complete, and when a moving picture is being photographed.