A putting-away-free full-automatic water-sprinkling-preventing and dog-preventing three-fold umbrella comprises an umbrella fabric, an umbrella body, wear-resistant adhesive tape, inner adhesive tape,a tiger roaring and water spraying umbrella top, a battery, a pressurizing device, an umbrella switch and a tiger roaring and water spraying switch. The wear-resistant adhesive tape comprises a PET adhesive piece and an adhesive and is attached to a fold fixing picture of the umbrella fabric, used for shaping the umbrella fabric so that the umbrella fabric can be folded according to the preset shape after an umbrella folding button of the full-automatic umbrella is pressed down and further used for protecting the umbrella fabric against wear. The wear-resistant adhesive tape has hydrophobicity. The tiger roaring and water spraying metal umbrella top is composed of a waterproof sound playing device and a water spraying device. One part of the water spraying device is hidden in an umbrellarib and used or frightening away homeless dogs through sounds and water injection. The waterproof sound playing device can cyclically play violent roars of a tiger. The water spraying device comprisesa spring water pumping chamber, color water and a water outlet. The battery and the pressurizing device are located in an umbrella handle. The sound playing device and the water spraying device of the tiger roaring and water spraying metal umbrella top are powered through wires in the umbrella rib.