Swimming life-saving device and fixed pull-back device

The utility model relates to the technical field of swimming lifesaving, and discloses a swimming lifesaving device and a fixing and pulling-back device. The fixed inserting drill rod penetrates through and extends to the lower part of the equipment shell and is in contact with the top of the equipment shell; and the cable winding drum is arranged in the equipment shell and can normally rotate. According to the swimming life-saving device and the fixing pull-back device, the life-saving vest is bound to the waist of a swimming enthusiast, the intelligent watch is worn on the wrist of the swimming enthusiast, at the moment, the intelligent watch monitors the heartbeat, blood pressure and other indexes of the swimming enthusiast, when the swimming enthusiast swims in the water, the rope is gradually loosened from the cable winding drum, and the swimming enthusiast swims in the water. When the heartbeat of the swimming enthusiasts is extremely accelerated and the blood pressure rises, the intelligent watch trans