Legs were mosquito bites and itchy and swollen more than considered to be caused by insect bite dermatitis, need to take general measures to regulate, medication and other improvements. 1. General measures: mosquito bites can be cleaned with water or soap and water, can also be localized ice packs, can alleviate the symptoms, reduce local redness and swelling. 2. Medication: you can use glucocorticoid drugs under the guidance of a doctor, such as mometasone furoate cream, dexamethasone ointment and so on. For patients with significant itching, it is necessary to follow the doctor’s instructions with diclofenac tadine, levocetirizine and other antihistamines. If necessary, short-term oral glucocorticosteroid therapy, such as oral prednisone and other drugs, as prescribed by the doctor. It is recommended that the legs are mosquito bites appear itchy and painful performance, you need to consult a doctor in a timely manner, the doctor will choose the appropriate treatment according to the patient’s condition. In addition, usually need to do a good job of protective measures, when going out, it is best to wear long clothes and long pants, to reduce the chances of being bitten by mosquitoes.