Safety door lock and dish washing machine with same

The invention discloses a safety door lock and a dish washing machine with the safety door lock. A latch arm, a limiting block and a driving assembly are arranged in the door lock. The limiting block is located on the outer side of the latch arm, and the driving assembly is used for driving the limiting block. When the door lock is in a non-locking state, a distance is kept between the limiting block and the latch arm, and the latch arm freely moves; and when the door lock is in a locked state, the limiting block is close to or abuts against the latch arm to limit free movement of the latch arm. The safety door lock can ensure that household appliances (such as a dish-washing machine) are in a safe state that the door is not easy to open when necessary, and meanwhile, ensures that the good door opening and closing experience of customers is not influenced. If the safety door lock is in a locked state, even if the door needs to be opened under special conditions (such as power failure in emergency), the door o