Mosquito bites to the eye, patients can use cold compresses and the use of diluted ammonia, soapy water, etc. to relieve itching and swelling, but all need a certain amount of time, there is no fast way to reduce swelling. 1. Cold compresses: patients with mosquito bites in the eyes, the affected area can appear congestion, edema and other symptoms. Patients can apply local cold compresses to the eyes, cold compresses can make the eye vasoconstriction, in order to reduce vascular permeability, relieve eye congestion, edema. 2. Alkaline substances to relieve itching: mosquito bites will secrete ant acid, dilute ammonia is an alkaline substance, coated in the bites to produce neutralization of acid and alkaline effect, thus reducing the ant acid stimulation, to achieve the effect of itching and swelling. Soap and water are also alkaline substances, similar to the role of ammonia. It is recommended that patients with eye swelling, itching, and other significant discomfort after being bitten by mosquitoes should seek prompt medical attention to assess their condition and follow the doctor’s instructions for treatment.