To provide a tire skid preventing device which increases the service life.

This tire skid preventing device is equipped with a strip net main body 3 which is constituted by arranging a plurality of strip net pieces 7 in parallel, and an opening section 6 for tire grounding is formed between adjacent net pieces 7 and 7 when the net main body 3 is wound around the outer periphery of a tire 2. On both end sections in the band longitudinal direction of the net piece 7, connecting bands 10a and 10b for connecting adjacent net pieces 7 and 7 with each other are formed. In a tread corresponding region 8 of the net piece 7 which touches the ground by corresponding to the tread of the tire 2, a plurality of strip rudder sections 11a and 11b which extend in the width direction of the net piece 7, and are arranged in parallel with a specified interval in the longitudinal direction of the net piece 7 are formed. The rudder section 11a being adjacent to the connecting band 10a which is provided on the opening section 6 for tire grounding side is provided to be close to the connecting band 10a.