The face is swollen after being bitten by mosquitoes, and the symptoms can be relieved by local wet compresses, topical medications and oral medications. 1. Local wet compresses: you can use boric acid solution for local wet compresses, which can play a role in relieving itching and swelling. 2. Topical medication: you can apply glycerine lotion, butylhydroxy acid ointment, hydrocortisone butyrate cream, etc., which has a very good effect on swelling and itching. 3. Oral medication: in the case of severe facial swelling, oral antihistamine medication can be taken, such as cetirizine, loratadine, etc., which can effectively relieve the symptoms of itching and swelling. These drugs have different degrees of adverse reactions, such as skin irritation, dizziness, drowsiness, etc., need to be used under the guidance of a doctor.