The invention discloses a novel tyre lock, including a lock body, the outer surface of the lock body is fixedly connected with an oppositely symmetrical annular fixing pipe, the inside of the fixing pipe is provided with an annular clamping rod, one side of the annular fixing tube close to each other is provided with a clamping groove, a slider is clamped inside the card slot, A lattice baffle isarranged above the lock body, the internal card of the lattice baffle plate is provided with a cavity, A connecting rod is fixedly connected with one side close to each other of the sliding block, a through pipe is fixedly embedded on both sides of the lattice baffle plate, one end of the connecting rod far away from the sliding block penetrates through the through pipe and extends to the inside of the cavity, the inner top wall of the cavity and the inner bottom wall of the cavity are provided with a sliding groove, the inside of the cavity is provided with a moving plate, and both ends of the moving plate are clamped inside the sliding groove. he requirements of different tyre sizes are met., the tyre lock is simple in structure and small in volume, . Wheels are effectively locked., materials is saved to meet the requirements of green environment protection.