1. What are dust mites? Dust mites are a kind of creatures that can only be seen under a microscope, they are used to living in warm (20 -30℃), humid (relative humidity 60-90%), dark environment. Their excretions are very small and light, so they can be inhaled easily, and 85% of asthma patients are allergic to the excretions of dust mites. 2.Dust mites can cause those allergic diseases and symptoms? Dust mites are one of the common inhalant allergens and can cause allergic diseases such as allergic rhinitis, allergic asthma, allergic conjunctivitis, chronic urticaria and atopic dermatitis. Dust mite allergic reactions can occur at all ages, and dust mites are the predominant allergen in infant asthma. Symptoms caused by dust mites include: sneezing, runny nose, nasal congestion, itchy nose, eyes and ears, coughing, shortness of breath, and generalized skin rashes. 3.Where do dust mites grow? Pillows, quilts, mattresses in the bedroom are the largest habitat for dust mites. Because these areas not only provide the best living environment for dust mites, but also provide them with a large number of food sources – that is, the dander we shed every day. Dust mite feces and body parts are the main cause of allergic symptoms. People unconsciously inhale this material during sleep, which can easily cause symptoms if we are allergic to it. In addition, dust mites live in large numbers in carpets, stuffed furniture, heavy bed curtains and home decorations. 4.How to control dust mites in living room? Bedroom and living room are the main places of people’s family life, and they are also the places where dust mites are more concentrated. Therefore, it is most important to control dust mites in the bedroom and living room, and the following measures can be taken: Put mattresses, pillows and bedding into mite-proof covers, and use them after pulling the zipper tightly. Wash bedding once a week in hot water above 60 degrees. It is best not to use the carpet, or regularly sprayed with dust mite remover. It is best to apply anti-dust mite filters for home air conditioners. Do not use heavy curtains, use blinds that are easy to wipe, or wash them frequently. Try not to use fabric sofas, choose to use leather sofas and furniture that is easy to wipe. Keep furniture arrangements as simple as possible and don’t place things that chase dust easily. Stuffed children’s toys must be of a type that is easy to clean. Clean up as much as possible to avoid dust, it is best to wear dust mite masks to work. Keep the room well ventilated ring tight and reduce the relative humidity of the room to less than 50%. If possible, you can choose dust mite removal filter dust mite allergens HEPA vacuum cleaner vacuuming.