Young children by mosquito bites red and swollen, can be externally rubbed glycerine lotion, the application of antihistamines, if the symptoms are serious, combined with skin infections, the need for topical antibiotic preparations. 1. external glycerine lotion: young children by mosquito bites, due to the toxins retained in the skin of the bite, will cause local skin redness, swelling, itching, for this case, can be rubbed glycerine lotion, is conducive to play a role in relieving itching. 2. Antihistamine drugs: If a young child is bitten by a mosquito, the redness and swelling are serious, the doctor needs to guide the application of antihistamines, such as cetirizine, loratadine, etc., which is conducive to play an anti-allergic, anti-itching effect. 3. Topical antibiotic preparations: young children are mosquito bites red and swollen, if induced by insect bite dermatitis, if the local skin infection, you need to follow the doctor’s instructions for the application of antibiotic preparations, such as fusidic acid cream, mupirocin cream, etc., in order to play a role in antibacterial, bactericidal. Young children are mosquito bites red and swollen, if necessary, need to seek medical attention as soon as possible, by the doctor to guide the rational use of drugs, to prevent blind abuse of drugs.