Door lock of household appliance and household appliance

The door lock comprises a base and a door hook, the base is provided with a lock cylinder assembly and an insertion hole for the door hook to be inserted, the lock cylinder assembly comprises a rotatable lock hook, the lock hook is provided with a locking position for locking the door hook on the base and an unlocking position for being separated from the door hook, the base is provided with an elastic buffer part, and the elastic buffer part is arranged on the base. When the lock hook is switched from the unlocking position to the locking position, the elastic buffering piece provides buffering for the lock hook. By arranging the elastic buffer part, the lock hook switched from the unlocking position to the locking position can be buffered in the whole inserting process of the door hook and the inserting hole, the impact force borne by the lock hook is reduced, the lock hook is prevented from being broken due to direct rigid collision between the lock hook and the base under pushing of the door hook, the ser