Eye allergy should be clear what kind of allergy it is, pollen allergy, dust mite allergy, or dust allergy. If it is pollen allergy, in the pollen season, go to the countryside to play must wear an eye mask, do not let the pollen fall into the eyes; if it is dust mite allergy, we should regularly engage in sanitation, dust mite, in the time of sanitation, because there is dust, so children are best to avoid. Treatment is to anti-allergy treatment, in addition to avoid allergens, mainly sodium cromoglycate eye drops, and glucocorticoid eye drops, topical medication, but also oral anti-allergy drugs. If you can’t find the cause of allergy, pay attention to the factors in daily life that can easily lead to allergy, such as air conditioning vents should be cleaned regularly, carpet is best not to use, cashmere toys should not be used, as well as for smokers, to avoid or quit smoking, only in this way can we treat eye allergy from the source.