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.
