Bird repelling bomb and bird repelling device

The invention discloses a bird repelling bomb and a bird repelling device. The bird repelling bomb comprises a lift-off part and a protection part, wherein the added protection part provides lift-off power and protection for the lift-off part, withstands gunpowder combustion residues jetted by the lift-off part and keeps an inner cavity of a launching device clean; the bird repelling device comprises the bird repelling bomb and the launching device; the bird repelling bomb is installed in the launching device; the launching device is further divided into a bomb loading part and a handheld part; and the bomb loading part and the handheld part are in threaded connection. In addition, the ignition mode is improved, the mode of explosive and resistance heating ignition is not adopted for ignition any more, electric arc ignition is adopted, more convenience and safety are achieved, and the cost is lower. According to the ignition fuse, combustion-supporting powder, iron powder and an adhesive are added on the basi