A virtual reality-based exercise device includes a fitness device including a main exercise unit providing a predetermined exercise function to a user, a virtual reality device connected to the fitness device to communicate therewith, and a control unit connected to a server to communicate therewith and controlling the main exercise unit, based on information output from the virtual reality device. The control unit receives score information related to the predetermined exercise function stored in the server and provides the score information to the user through the virtual reality device.