After the eyes are mosquito bites, will cause a local allergic reaction, which is manifested as itchy eyes, and appear swollen. Fast swelling methods are generally the following: first, give local cold compresses, such as the use of cool towels, or a towel will be wrapped around the ice pack, applied to the location of the mosquito bite, so as to effectively reduce the local swelling; second, you can use anti-allergic drugs, local medication can choose flumetron eye drops, tobramycin dexamethasone eye ointment, sodium cromoglycate eye drops, azelaic acid hydrochloride Topical medications can include Flomipron eye drops, Dexamethasone ophthalmic ointment with Tobramycin, Sodium cromoglycate eye drops, and Azelastine hydrochloride eye drops. If the symptoms are very severe, systemic oral loratadine may also be used. Through this treatment, generally this symptom within 48 hours can gradually return to normal, of course, if the mosquito bite toxin is relatively strong, the duration may be longer.