A multi-function camera system, applied to a forklift truck, includes a camera device and a display device installed on the forklift truck, and an image processing unit coupled between the camera device and the display device, capable of shooting and displaying a corresponding real image in order to assist operations of the forklift truck. In addition, the camera device is equipped with a fill light module capable of providing multiple light colors, and the image processing unit includes an identification module capable of identifying the optical identification code. Accordingly, the camera system with multiple functions of monitoring, fill light, identification and positioning etc. is achieved.