Infant face by mosquito bite a red bumps, you can use soap and water cleaning to relieve, but also can be applied locally glycerine lotion and the use of anti-allergy drugs such as loratadine medication for treatment. 1. Soap and water cleaning: can be properly cleaned with itching, prevent local redness and swelling, inhibit the role of proliferation. 2. Apply glycerine lotion: can be applied to the biting area can effectively reduce the symptoms of itching, but also has the effect of anti-inflammatory, can quickly relieve the symptoms. 3. Anti-allergic drugs: If there is a relatively large redness and swelling, you can also use with the use of salbutamol ointment and other drugs to prevent allergies, to prevent the skin from becoming infected. If there is a more serious situation, you should consult a doctor in time, under the diagnosis of a professional doctor for treatment. Drugs should be used under the guidance of a doctor.