The invention discloses an underwater rescue robot which comprises a frame structure, an electronic cabin group, a searchlighting system, a monitoring system, a positioning system, an operating system, a propelling system and a floatage module, wherein the propelling system comprises a left-front horizontal propeller, a right-front horizontal propeller, a left-back horizontal propeller, a right-back horizontal propeller, and a vertical propeller located at the middle of the robot, and the propelling system is used for providing power to the robot. By using the four horizontal propellers, the underwater rescue robot realizes advancing and retreating, turning and side-moving actions. The underwater rescue robot has the beneficial effects that the robot is simple in structure, flexible in movement and strong in power, and can be widely applied to resource exploration, routing inspection of structures and facility equipment, detection of channels, barrier removal, rescue of persons falling in water, searching of shipwrecks in water, fishing of vehicles and articles falling in water, and finding of underwater appointed articles after disaster accidents occur.