Children’s faces are swollen by mosquito bites belong to insect bite dermatitis, you can control the symptoms through topical drugs, oral medication, general treatment and other measures. 1. Topical drugs: can be used externally anti-inflammatory ointment such as erythromycin ointment, mupirocin ointment, etc., can be used externally glycerine lotion, with astringent anti-itching effect, at the same time, short-term with the glucocorticoid ointment, such as hydrocortisone ointment, etc., to play the role of itching and swelling. 2. Oral medication: If the swelling and itching are serious, you can take antihistamines such as cetirizine and chlorpheniramine, or glucocorticoid medications such as prednisone tablets and dexamethasone tablets. 3. General treatment: keep the skin clean and hygienic, avoid scratching and squeezing, and apply cold compresses locally with ice cubes and cool towels. It is recommended to consult a doctor in time, if you need to use drugs need to be used under the guidance of a doctor.