Abstract: An anti fall-off cable chain includes two side ropes, a transition chains and connecting pieces, wherein the two side ropes are arranged horizontally, the transition chains are longitudinally arranged between the two side ropes, and the side ropes and the transition chains are connected through the connecting pieces. Each connecting piece includes an attaching part to be attached to a side face of a tire, a side rope mounting part arranged at one end of the attaching part, and a transition chain mounting part arranged at another end of the attaching part. When pulled by the part, attached to the tread of the tire, of the transition chain to tilt upwards, the transition chain connecting pieces trend to draw away from the mounting holes and are limited by first upper limiting parts.