Underwater rescue device

An underwater rescue device, comprising:

• a cabin provided with a hatch, wherein the hatch is capable to open or close the cabin to form a confined space inside the cabin;
• a salvage device arranged inside the cabin, comprising a rescue platform and a gripper mechanism arranged on the rescue platform, wherein the rescue platform is movable, the rescue platform is capable to rotate relative to the cabin along at least one rotational axis and is capable to lift and lower to move out of an interior of the cabin, and the gripper mechanism is configured to grab a drowning person and fix the drowning person on the rescue platform;
• a cardiopulmonary resuscitation device arranged inside the cabin, configured to conduct cardiopulmonary resuscitation to the drowning person on the rescue platform;
• a drainage device arranged on the cabin, configured to extract and discharge water inside the cabin;
• and
• a power device arranged on an outer side of the cabin, configured to drive the cabin to submerge or move on a water surface.