Star hotels, especially 5 star hotels, they not only have a luxurious decoration environment, luxury furniture, etc., provide a comfortable living environment for every customer service, but also use the fragrance marketing means in the hotel lobby, corridors, etc. Install the hotel's aroma diffuser equipment in the public area – the diffuser of the perfume machine, with the central air-conditioning fresh air system, exudes an unforgettable elegance of light floral or fruity fragrance, relieves fatigue and stress for customers, at the same time, makes customers interested Notice the difference between the uniqueness of the surrounding environment and other hotels, so that customers can deeply imprint the brand name or LOGO of the hotel in their minds.