Small mosquitoes appear localized hard lumps after being bitten by mosquitoes, usually belongs to the insect bite dermatitis, can cooperate with the doctor to choose local medication, systemic medication, daily care and other ways to relieve. 1. Local medication: small children after being bitten by mosquitoes, may be allergic to trace toxins released by mosquitoes, which in turn will produce localized hard lumps and itching symptoms. At this time can be applied through the glycerine lotion, can play the role of astringent and anti-itching. 2. Systemic medication: For children with more serious symptoms, oral antihistamines can be added, such as loratadine, cetirizine, etc., which can shorten the course of the disease and improve the efficacy of treatment. 3. Daily care: usually should avoid taking the child to the mosquito places, reduce the chance of skin bites, can be used in the daily mosquito repellent products for children. Children in the determination of insect bite dermatitis, should cooperate with the doctor for standardized treatment, the above drugs should be used in accordance with medical advice.