1, often wash and dry bedding, pillows; 2, do not use mosquito killer, perfume, etc. in the room; 3, to avoid sudden and strenuous activities; 4, to prevent colds and flu; 5, do not have pets; 6, conditions can be used in the air filters, vacuum cleaners; 7, pollen season to avoid going to the park, the meadows, the mountains; 8, regular ventilation of the room to keep the room dry; 9, when the wind is blowing the clothing should not be hung up to dry in the outdoors; 10, to avoid strong stimulating food; 11, the living room renovation should be careful; 12, sleep at night when the window is closed; 13, do not smoke in front of the children; 14, try not to play with stuffed toys.