Young children are mosquito bites after redness, swelling and hard can use soapy water to rinse, if it does not subside for a long time should seek medical treatment. Children were mosquito bites, immediately wash with soap and water, neutralize the toxins, reduce the allergic reaction, trim the child’s nails to prevent scratching caused by infection. If the itch does not subside for a long time and the itch is obvious, you can use topical ointment under the guidance of a doctor for treatment, common topical therapeutic drugs are corticosteroids ointment and antipruritic ointment and so on, such as hydrocortisone cream and damphenol ointment. When the number of rashes is large and the symptoms are more serious, oral antihistamines such as cetirizine and loratadine can be prescribed. If the local skin complications of bacterial infections can be treated with topical antibiotics such as erythromycin ointment, and in severe cases, intravenous penicillin and other antibiotics. In short, when the symptoms of redness and swelling continue to not subside or aggravate should be timely medical treatment, not unauthorized use of drugs, so as not to delay the condition. Prevent mosquito bites, avoid scratching, eat less spicy food, and maintain personal hygiene.