When the symptoms occur mainly outdoors: outdoor activities should be limited as much as possible, especially contact with flowers or decaying leaves, as well as willow wool and fruit hairs on phacelia, you can wear a mask when you go out, or you can go to the seashore where there are fewer allergens. When symptoms occur mainly indoors: you can pay attention to the following points: i. Pay attention to the details of life: The substances that cause allergy symptoms are called allergens and can be found both outdoors (generally seasonal allergens) and indoors (generally perennial allergens). The following 10 points can help you reduce such allergens. You should also pay attention to reducing mold and mildew. Since cockroach excrement and animal dander are the most common allergens, you should also pay attention to eliminating cockroaches and handling pets and small animals. Living details: 1. Close the windows of your car or room during pollen or dusty seasons; 2. Remove allergens, including pets, smoke, and even suspicious flowers or furniture; 3. Use an air conditioner with air cleaning filters to remove pollen (but may not filter dust); 4. You can use a thermostat to reduce indoor humidity, preferably to bring the air humidity down to below 50%; 5. Repair damp basements, air vents and bathrooms, and should remove flowers and plants indoors or on the balcony; 6. Keep the room clean and dust-free to reduce allergens, you can use vacuum cleaners to clean frequently); 7. Use non-allergenic bed sheets and bedding in the bedroom, such as the use of well-sealed mattresses and pillows, and more flexible sheets and pillowcases, and wash the sheets and pillowcases with hot water every week; and pay attention not to dry the sheets and bedding outdoors. 8. Use wooden boards, floor tiles, etc. instead of carpets, especially the carpets fixed on the floor should be removed. And do not plant flowers and plants that need constant watering, because moist soil is conducive to the growth of mold; 9, pack up your small objects, such as books, record boxes, CDs, CDs and shaggy animal toys, etc., which are very easy to get dust, thus causing allergies; 10, do not take excessive amounts of drugs to reduce symptoms; if you have acid reflux gas, pay attention to do not eat before bed and pillow padding, and under the guidance of a doctor Take antacids. Control the occurrence of indoor mold and mildew; kill cockroaches and other pests thoroughly; keep away from pets.