1, indoor humidity: control at 50% or less 2, bed sheets, pillowcases, blankets, mattress covers: washed once a week with hot water equal to or higher than 55 ℃ can kill and remove most of the dust mite allergens, can use anti-mite bed sheets, covers, pillowcases 3, pillows: do not use feathers, down, buckwheat hides, etc. as pillow cores, preferably synthetic materials, once a year to change 4, flooring: avoid using carpets, choose wood, tile, etc. 5, interior decoration: avoid heavy curtains, fabric, blinds and other smooth and easy to clean materials 6, plush toys: do not place in bed, pillow, soft plush toys are easy to absorb dust, dust mite breeding ground. Plush toys into sealed plastic bags -17 ℃ to -20 ℃ freezing for at least 24 hours, can freeze most of the dust mites, and then need to be cleaned 7, room: regular cleaning, because the cleaning process can make a lot of dust mites floating in the air, so allergy sufferers cleaning to pay attention to their own protection. Damp cloth to wipe the dust, air conditioning filters are often cleaned. 8, pets: Do not let pets into the bedroom, pet fur is also a dust mite settle. 9, dust mites are everywhere, any avoidance measures can not do to completely avoid contact with dust mites, but also need to take desensitization treatment at the same time, in order to gradually increase tolerance to dust mites, to avoid inducing clinical symptoms.