A dog bark control device which includes a first sensor, a second sensor, a stimulation applying means, and a control unit. The control unit determines whether the animal barks, and when the animal is determined to bark, operates the stimulation applying means to apply stimulation to the animal. The control unit determines that the animal barks when the first sensing signal of the first sensor is a signal indicating that the animal barks, and at the same time, the animal is determined to make a particular motion accompanied by barking from the second sensing signal of the second sensor.