Mites are a pest that we cannot see with the naked eye and can form dermatitis after touching or biting the skin, and are one of the main culprits of allergic rhinitis. It is clear that mites are harmful to the human body, and not a small one. Mites prefer environments that are humid, hot, have cotton and linen fabrics or have dusty soil. So to prevent mites from harming us, we need to avoid such environments in our lives and work. Therefore prevention of mites is required to do the following: 1, usually indoor should be more ventilation, keep dry; do not directly use the new bed sheet bamboo mat or blanket, new skin contact should be first boiling water, high temperature to kill some of the fungi inside, and then sun exposure. 2, mattresses and pillows should be packed and stored with dustproof cloth; every month, put all covers and sheets into hot water at about 60 ℃ to kill the mites hiding in them. 3, do not lay carpets in the bedroom, tile or wood flooring can be. 4. Improve environmental hygiene, remove debris from the house, keep the room clean and tidy, and wipe the floor with a wet mop every day to reduce dust as much as possible. Pay attention to the bedroom ventilation and dryness, strengthen personal hygiene, timely bathing, diligent change of clothes, bedding often in the sun as much as possible, long-term clothing must be disinfected after high temperature in contact with the skin, but also to avoid contact with fur products. 5, the use of air conditioning, regularly open the windows to circulate air. 6, to prevent moisture, moisture is a major cause of mite dermatitis, in the rainy season or wet weather, clothes should be kept at an appropriate distance from the wall to prevent the breeding of various bacteria caused by moisture. It should be clear that mites are most afraid of light, and where there is sunlight, there are no mites.