The complexity

danger and emergency of rescue work make the rescue work very difficult. Rescue robot attracts wide attention all over the world for its virtues such as small and agile. In this paper we have analyzed the necessity and feasibility of using rescue robot.Meanwhile

we have investigated the state of art and the development tendency of rescue robot and then compared several types of mobiles and their controlling modes. Furthermore

the hotspot of rescue robot research has been discussed. The future direction of research in the field of Disaster Search and Rescue Robot has been clearly indicated.