Children left scars after being bitten by mosquitoes, for less obvious scars can be temporarily observed without special treatment; if the scars are more obvious, affecting the aesthetic appearance, you can choose some topical drugs to improve the appearance of scars. 1. Conservative observation: the scars left by mosquito bites are usually not big and do not need special treatment, generally 3-6 months or so, the appearance of the scar will have obvious improvement, but during this period, you need to pay attention to sunscreen, scratching and so on, so as not to cause local hyperpigmentation or breakage and infection. 2. Local medication: If the scars left behind are more obvious, affecting the aesthetic appearance, you can choose to apply local scar inhibiting drugs, such as silicone gel, polysulfonic acid mucopolysaccharides cream and so on. Children need to avoid scratching the skin after being bitten by mosquitoes, otherwise the skin surface may break down, bleeding, infection and other adverse consequences. All of the above medications should be used in accordance with the doctor’s instructions, and should not be used without authorization, in order to avoid adverse consequences.