The present invention relates to a laundry dryer that can prevent as well as remove wrinkles of laundry. A laundry dryer includes a drum in which laundry is held; a hot air heater that heats air to supply hot air to the drum; a steam generator that generates steam to supply the steam to the drum; and a water tank to hold water to supply to the steam generator, the water tank in flow communication with a water supply hole through which water is supplied into the water tank with the water tank kept in flow communication with the steam generator.