To provide a lifesaving rope being much more extendable owing to its great elasticity.

The lifesaving rope comprises a core 110 for withstanding a given load and an outer cover 130 for protecting the core 110 and for additionally withstanding the given load, wherein the core 110 and the outer cover 130 are weaved in X-shape to have the slope of 70 DEG-80 DEG, the outer cover 130 is relatively closely wrinkled in longitudinal direction thereof, and a plurality of elastic strings 111 are inserted into the outer cover 130 in longitudinal direction thereof to have a constant interval according to the circumference thereof.