An orbit-type cat toy with a sensing function includes a chassis with a circular orbit (track) and a small toy capable of rolling along the circular orbit. A plurality of sensing devices are evenly distributed along the circumference of the chassis, and an inside of the chassis is provided with a signal sending module configured to send a signal after a sensing device is triggered. The bottom of the small toy is provided with a roller wheel, and the inside of the small toy is provided with a motor to drive the roller wheel to rotate. The small toy further includes a signal receiving module, a calculation module, a comparison module, and a control module to control the motor to rotate.
