Prevention of mite allergens: 1, mattress: mattress should be frequently dried on sunny days to keep dry, or non-allergenic chemical fiber covers and mattresses can be used. 2.Pillow: Don’t use feather, down or cotton as pillow heart, it is better to use other synthetic materials and make sure to change the pillow at least once a year. 3, bedding: do not use wool blankets, you can use washable cotton or chemical fiber blankets. The sheets should be washed and changed diligently with hot water, and it is better not to use down quilts, preferably with hypoallergenic synthetic products and regular exposure to sunlight. 4, flooring: do not use carpets, should use wood flooring, tile or stone flooring. 5, interior decoration: the interior should not be arranged with purely decorative furniture or complex structure of the wall hanging, try to use easy to clean furniture, do not use second-hand furniture. Surface smooth and easy to clean cotton curtains than blinds or heavy curtains are more appropriate. 6, toys: plush toys are easy to become a breeding ground for dust mites, do not place in the bed. It can be put into an airtight plastic bag frozen to abate mites, and then cleaned. Room: The room must be cleaned regularly. Since the cleaning process may cause a large number of dust mites to float in the air, it is better to wear a protective mask or take shelter outside the room when cleaning. Dust should always be wiped with a damp cloth or use a vacuum cleaner with a filter. The filters of air conditioners should be cleaned or replaced frequently. 7, pets: Do not let pets into the bedroom. 8. Humidity regulation: Reducing the relative humidity to less than 45% is one of the effective ways to eliminate dust mites, and the doors and windows of the bedroom should be opened to ventilate and dry the mattress to keep it dry when the day is bright.