The invention relates to an intelligent tourist street sign system for a scenic area and a usage method thereof. The system comprises multiple street signs in the scenic area, and each street sign comprises a power supply device, a display screen and a user operation system; each user operation systems is connected with the corresponding display screen and comprises a classification module, a query module and a tourist guidance module, and each classification module is connected with the corresponding query module and the corresponding tourist guidance module; each display screen includes a classification interface, a query interface, a tourist guidance interface, a selection key and a return key, and is provided with a catalogue of all scenic spots in the scenic area and connected with the corresponding classification module, each query interface is provided with a start point input box and an end point input box and connected with the corresponding query module, and each tourist guidance interface is connected with the corresponding tourist guidance module; each classification module is internally provided with catalogue information of all the scenic spots and multiple routes among the scenic spots, each query module includes a start point input end and an end point input end, and each tourist guidance module is provided with detailed introductions of all the scenic spots. The intelligent tourist street sign system not only provides cultural explanation, route planning and guidance for tourists, but also improves tourism services in the scenic area.