The invention discloses an antiriot shield. The antiriot shield is characterized by comprising a shield body, wherein the shield body is provided with an observation window, a handle and a shoulder rest, an extending-out frame is arranged on the lower portion of the antiriot shield, the extending-out rack can detachably form a stable structure through supporting rods, stabilization racks and other structures, the overall structure is provided with universal wheels and wheels and also provided with a brake device, a brake block is controlled until the whole antiriot shield can be braked in the manner that a user steps on the brake device, and therefore the antiriot shields are prevented from being struck open. The antiriot shield solves the problem that when a traditional shield is used, because a violent crowd can push the shield and a user, the riot crackdown action is influenced.