The baby was bitten by a mosquito swollen lips, it is recommended to do a good job of care of the affected area, if necessary, can be used externally, oral antihistamines, can help relieve the symptoms. 1. Good care: mosquito bites on the local area, resulting in swollen lips, may cause significant itching sensation. It is recommended not to scratch the stimulus, resulting in skin breakage, inducing infection. Also pay attention to dietary care, reduce the intake of stimulating foods. 2. Topical application of drugs: If necessary, topical application of Dinaid cream localized application, have the effect of itching and swelling. But be careful not to take the medicine into your mouth. 3. Oral medication: If the local swelling, itching is more serious, if necessary, give oral medication, such as cetirizine hydrochloride drops, loratadine syrup, etc., have anti-allergic, anti-itching effect. After being bitten by mosquitoes, lip swelling is obvious, through the above ways can not relieve the symptoms or symptoms further aggravation, it is recommended to timely go to the hospital dermatology department to avoid delaying the condition.