The present disclosure relates to a laundry device provided with: a cabinet which includes a front cabinet having a cabinet input hole formed therein; a tub which is installed inside the cabinet and has a tub input hole positioned on an extension line of the cabinet input hole; a cabinet door which is installed in the cabinet and opens and closes the cabinet input hole; a tub door which is installed in the tub and opens and closes the tub input hole; a cabinet door lock which senses whether the cabinet door is open or closed, as well as sets the lock state of the cabinet door; and a tub door lock which sets the lock state of the tub door according to whether the cabinet door is open or closed.