The present application is a rope made of one rope unit, or a rope in which two or more rope units are twisted with each other, and the rope unit includes: a foamable buoyant material provided inside the rope; And it provides a life-saving buoyancy rope and a life-saving structure manufactured using the same; and a fibrous shell provided while covering a part of the outer circumferential surface of the buoyancy material. The buoyancy rope and structure for life-saving of the present application are excellent in buoyancy, and thus have the effect of allowing the drowning person to float on the water for a long time depending on the rope.
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