The utility model provides a skid chain for a car, whose main structure adopts wire ropes. The ring of the chain is formed by the composite structure of wire ropes, a screw spring and a metal sleeve barrel. The utility model exerts the advantages of tough wire ropes, antiwear sleeve barrel, spring and strong adaptability sufficiently. The sleeve barrel rolling appropriately relative to the tyre surface of the car is permitted. As a result, the abrasion of the tyre surface is light and uniform. The entire device has the advantages of light dead weight, long life time, convenient operation, simple manufacturing process, etc. The skid chain for the car runs well after the test that the car with the skid chain runs on various roadway.