A rotary animal repelling device, including: a housing, which includes a fixed body part and a head above the body part, and a mounting disc is fixedly provided on an inner periphery of a cavity of the head. A motor is located on the mounting disc, a rotating shaft extends through the mounting disc and is fixed to a side of the body part facing the head. The mounting disc has a sounder and a laser light, and the sounder and the laser light are coupled to the motor by transmission line, respectively. The laser light extends to outside of the head, the mounting disc has a radar sensor to detect an approach of animals and a control main board communicatively coupled to the radar sensor, the control main board is communicatively coupled to the motor, and the control main board has a control switch extending outside of the housing.
