The invention discloses a marine rescue mode and device employing unmanned aerial vehicles, belongs to the technical field of aviation and particularly relates to a marine rescue mode and device employing unmanned aerial vehicles. The device comprises a rescue vessel, a controller, unmanned aerial vehicles, a GPS, a wireless camera, an image processor, an automatic line stripper, a long line and a wood slab, wherein the wood slab is connected with the long line, so that a victim can float on the sea and further damage is avoided. When a rescue boat receives a rescue signal, the rescue boat carries a plurality of unmanned aerial vehicles to a signal emission place; and when the rescue boat comes across a to-be-rescued person, the rescue boat dispatches a rescue team to rush to a rescue site, and meanwhile, the automatic line stripper of one unmanned aerial vehicle lays down the long line and the wood slab and waits for arrival of the rescue team. After the rescue tea saves the victim, the unmanned aerial vehicle takes along the long line and the wood slab to further search and looks for the next victim. By using the advantages of the unmanned aerial vehicles, the victim can be quickly searched and can float above the sea, and further damage is avoided.