Nowadays, it is the spring season, once the weekend, people like or bring the elderly children, or invite three or five friends to the countryside to play. However, there are some people who are on pins and needles when it comes to spring. For them, spring brings not only brilliant spring light, but also allergic asthma, allergic rhinitis, eczema, hives, contact dermatitis and other allergic diseases. From March to May each year, it is the season of allergic diseases. People with allergic reactions should stay away from allergens and take allergy prevention measures in time. Four major allergy “culprits” No. 1 allergens, dust mites Common symptoms: asthma, rhinitis, etc.; No. 2 allergens, pollen, grass seeds Common symptoms: skin allergies, asthma, rhinitis, etc.; No. 3 allergens, pets Common symptoms: rhinitis, cough, asthma, etc.; No. 4 allergens, cosmetics Common symptoms: red, itchy skin, etc. Allergy prevention strategy How to prevent spring allergies? To prevent mites, dust and other “haunting”, we must do the following: 1, regular and thorough cleaning of the room, to keep the room ventilated and dry; 2, the family should try to avoid using woolen blankets, duvets, carpets and other fluffy fabric decorations; 3, diligent washing and changing of sheets and curtains, preferably with hot water at about 60 ℃, and 4, do not store old newspapers and magazines at home, lockers should be closed at hand; 5, air conditioners, air filters should be cleaned and replaced frequently; 6, in the peak of pollen dispersion close doors and windows, and minimize going out; 7, wear a dust mask when working in the field; 8, do not plant flowers and plants indoors, do not play sports on the grass; 9, it is best not to have pets, if you really want to have, to 10.For people with sensitive skin, a small test should be done before using cosmetics; 11.According to your skin type and season, use non-irritating, colorless, non-toxic and stable cosmetics; 12.Do not use cosmetics that are expired or contaminated by microorganisms, and do not sleep with makeup.