An anti-sticking rotating device is arranged below a head and comprises a base and a runner; the base is provided with a slot, and two flanges are arranged on both sides of the top surface of the slot; the runner is in the shape of a disc, the center of it is provided with a rotary shaft, the two ends of the rotary shaft are pivoted with the flange, and the runner is placed in the slot; an extending part is arranged on the circumference of the runner, and the extending part is fixed to the head; the two sides of the runner are respectively provided with a driving mechanism and a limiting mechanism; the driving mechanism drives the runner to rotate, and the limiting mechanism limits its direction and amplitude of rotation, thereby driving the head to move like nodding.