The invention relates to the technical field of washing machine door locks, in particular to a washing machine door lock. The washing machine door lock comprises a door hook arranged on a washing machine door and a lock body installed on the washing machine body, the lock body is internally provided with a linkage device which can be matched with the door hook for linkage and a control device for locking or unlocking the door lock and the lock body by limiting or releasing the linkage device, the control device is provided with a transmission part, and when the door hook is drawn out of the lock body under the situation that a washing machine is in a working state, the transmission part triggers the control device to switch off an operating circuit. According to the washing machine door lock, when the washing machine works, the door hook is forcibly pulled out of an insertion hole of the lock body, and the washing machine stops working immediately.