Housekeeping is the department that deals essentially with cleanliness and all ancillary service attached to that.
The standard plays an important role in the reputation of the hotels. One feels comfortable only in the environment which is clean and well ordered, so cleanliness is important for health foremost also for well being.
Accommodation in hotels tend to be the largest part of the hotel, it is the most revenue generating department, the housekeeping department takes care of all rooms is often largest department in hotels. The rooms in hotels are offered as accommodation to travelers/ guest as individual units of bedroom. Hotel aims to make environment comfortable and offer specialized service to the guest.
Housekeeping is the department determines to a large extent whether guests are happy during stay and in turn mankind they return to the hotel. The fine accommodation and service are provided to the guest so they are pleased with the hotel. The guest satisfaction is its primary object and the hygiene factor must always be present in the hotel.