Baby legs swollen by mosquito bites can take general measures, medication and other ways, so as to improve the symptoms. 1. General measures: If the baby’s legs are swollen after being bitten by mosquitoes, local wet compresses can be applied to soothe the skin. Baby should be avoided scratching the skin to avoid secondary infection. At the same time need to do a good job of protective measures to avoid the skin to be bitten again. When going out, you can wear long clothes and pants, or apply mosquito repellent products. 2. Medication: If the itching is unbearable, you can use topical glucocorticosteroids, such as dianabed, hydrocortisone cream, etc. under the guidance of a doctor. Or oral antihistamine drugs, such as loratadine, cetirizine and other anti-itch treatment. If the swelling of the baby’s legs by mosquito bites does not go away for a long time, parents need to bring the child to the hospital.