The utility model provides an electric aircraft pay-off unhooking device including a base, and a lock shaft, a lock ring and a motor that are arranged on the base, the lock shaft is capable of performing reciprocating motion along the port of the lock ring under the driving of the motor, and the electric aircraft pay-off unhooking device is characterized in that a transmission nut is fixed on the body of the lock shaft, and the transmission nut is matched with a screw rod fixed on the motor shaft of the motor. Through the adoption of the screw rod and transmission nut structure, the motor shaft can directly drive the lock shaft to perform reciprocating motion through the screw rod and the transmission nut, the structure is simple, and the reliability is greatly improved.