Laundry treating machine and control method of the same

A control method of a laundry treating machine, wherein the laundry treating machine comprising a accommodating space, a circulation duct and a fan and wherein the fan draws air from the accommodating space into the circulation duct and discharging air from the circulation duct into the accommodating space, comprising:

• supplying, in response to a selection of an operation mode of steam sanitizing, steam generated by a steam generator to one of:
• the accommodating space of the laundry treating machine,
• the circulation duct of the laundry treating machine, and
• both the accommodating space and the circulation duct of the laundry treating machine, wherein the fan does not operate so as to prevent steam from getting out the accommodating space when accommodating space steam sanitizing is selected and
• wherein the fan operates when a circulation duct steam sanitizing is selected;
• maintaining a temperature of an inside of the accommodating space, the circulation duct, or both the accommodating space and the circulation duct until a predetermined sanitization condition is met;
• and
• drying the inside of the accommodating space, the circulation duct, or both the accommodating space and the circulation duct using a heat pump after the predetermined sanitization condition is met using steam.