A lifesaving drone of the present invention includes: a bobbin unit on which a propeller is mounted; a tube-shaped expanding bag unit supplied with gas from the bobbin unit to be expanded; a valve unit opening and closing a path of the air, to which the bobbin unit and the expanding bag unit are connected, so that the gas stored in the bobbin unit is supplied to the expanding bag unit; and a shield-shaped kite member attached to and detached from the bobbin unit, separated from the bobbin unit when a survivor is found, and provided in place by an electric reel.
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