Disclosed herein is an animal training device having a pair of collapsible electrodes and an electronic whistle, which includes a transmitter and a receiver. The transmitter includes an electrode collapse switch for generating a signal used to collapse or erect the electrodes, an electronic whistle switch for generating a signal causing an electronic whistle to be blown, a transmission control unit for performing control on an electronic whistle unit such that a whistle is blown, a wireless transmission unit for transmitting a wireless signal in response to the control signal of the transmission control unit, and the electronic whistle unit. The receiver includes a wireless reception unit, a reception control unit for performing control such that the electrodes are collapsed or erected, a high voltage generation, an electrode driving unit for collapsing or erecting the electrodes, and the left and right electrodes.