Two-month-old babies bitten by mosquitoes are prone to form insect bite dermatitis, also known as papular urticaria. For the treatment of papular urticaria, it is recommended that cold compresses be applied to the mosquito bites with a towel moistened with cold water or a towel wrapped with ice, which can cause local vasoconstriction and reduce the formation of edema. In addition, you can also use the following methods of treatment: 1, with soap and water coated with itch. 2, with a little bit of edible alkaline water coated, but also can quickly stop the itch. 3, washing powder to stop the itch, rinse the bites with water, do not dry, and then dip your finger in a bit of washing powder, wipe the bites, you can immediately stop itching, the redness and swelling will disappear. After the redness disappears, the washing powder can be washed off with water. Usually pay attention to indoor hygiene, good anti-mosquito work, such as hanging mosquito nets, the use of electric mosquito coils. In summer, you should minimize the number of mosquito infested places, and put on long-sleeved clothes for your baby, which can properly prevent mosquito bites.