1, in the season of pollen or dust, close the windows of the car or room; 2, remove allergens, including pets, smoke, and even suspicious flowers or furniture; 3, use air conditioning with air cleaning and filtering function to remove pollen (but may not be able to filter dust); 4, you can use the thermostat to reduce the humidity in the room, preferably so that the air humidity drops to less than 50%. 5, repair damp basement, ventilation and bathroom, and should remove indoor or balcony flowers and plants; 6, hold indoor clean and dust-free to reduce allergens, you can use vacuum cleaners to clean frequently); 7, use non-allergenic bed linen and bedding in the bedroom, such as the use of a well-closed mattress and pillows, and more flexible sheets and pillowcases, and wash the sheets and pillowcases with hot water every week; and pay attention not to sunbathe in the 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 the 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. These items are very easy to get dust, thus causing allergies. 10.Don’t take excessive medication to reduce symptoms; if you have acid reflux, do not eat before bedtime and keep your pillow elevated, and take antacids under the guidance of your doctor. 11, pay attention to nasal cleanliness, wash the nasal cavity frequently. 12.Strengthen outdoor physical exercise to enhance physical fitness. 13.Keep the room clean and dust-free to reduce allergens, use vacuum cleaner or wet rag to clean the room frequently.